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Parameter Groups

#
# National Water Information System
# 2018/12/18
#
#
# Date Retrieved: USGS Water Data for the Nation Help System
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parm_cd	group	parm_nm	epa_equivalence	result_statistical_basis	result_time_basis	result_weight_basis	result_particle_size_basis	result_sample_fraction	result_temperature_basis	CASRN	SRSName	parm_unit
5s	8s	169s	26s	7s	10s	3s	13s	14s	9s	11s	63s	10s
00004	Physical	Stream width, feet	Agree							 	Instream features, est. stream width	ft
00010	Physical	Temperature, water, degrees Celsius	Agree							 	Temperature, water	deg C
00011	Physical	Temperature, water, degrees Fahrenheit	Agree							 	Temperature, water, deg F	deg F
00012	Physical	Evaporation temperature, 48 inch pan, degrees Celsius	Agree							 	 	deg C
00013	Physical	Evaporation temperature, 24 inch pan, degrees Celsius	Agree							 	 	deg C
00014	Physical	Wet bulb temperature, degrees Celsius	Agree							 	Temperature, wet bulb	deg C
00020	Physical	Temperature, air, degrees Celsius	Agree							 	Temperature, air, deg C	deg C
00021	Physical	Temperature, air, degrees Fahrenheit	Agree							 	Temperature, air, deg F	deg F
00025	Physical	Barometric pressure, millimeters of mercury	Agree							 	Barometric pressure	mm/Hg
00030	Physical	Incident solar radiation intensity, calories per square centimeter per day	Agree							 	Solar irradiation, local	cal/cm2/d
00031	Physical	Incident light remaining at depth, percent	Agree							 	Light attenuation at measurement depth	%
00032	Physical	Cloud cover, percent	Agree							 	Cloud cover (percent)	%
00034	Physical	Depth to 1 percent of surface light, feet	Agree							 	Light attenuation, depth at 99%	ft
00035	Physical	Wind speed, miles per hour	Agree							 	Wind velocity	mph
00036	Physical	Wind direction, degrees clockwise from true north	Agree							 	Wind direction	Deg
00045	Physical	Precipitation, total, inches	Agree					Total		 	Precipitation	in
00046	Physical	Precipitation, total, inches per week	Agree					Total		 	Precipitation	in/week
00047	Physical	Total partial pressure of dissolved gases, water, unfiltered, millimeters of mercury	Agree					Dissolved		 	Partial pressure of dissolved gases	mm/Hg
00048	Physical	Total partial pressure of dissolved gases, water, unfiltered, percent of saturation	Agree					Dissolved		 	Partial pressure of dissolved gases	%
00049	Physical	Surface area, square miles	Agree							 	 	mi2
00050	Physical	Evaporation total, inches per day	Agree							 	Evaporation	inches/day
00051	Physical	Surface area, square feet	Agree							 	 	ft2
00052	Physical	Relative humidity, percent	Agree							 	Relative humidity	%
00053	Physical	Surface area, acres	Agree							 	 	ac
00055	Physical	Stream velocity, feet per second	Agree							 	Stream velocity	ft/sec
00056	Physical	Flow rate of well, gallons per day	Not checked							 	 	gal/day
00058	Physical	Flow rate of well, gallons per minute	Not agree							 	 	gal/min
00059	Physical	Flow rate, instantaneous, gallons per minute	Agree							 	Flow rate, instantaneous	gal/min
00060	Physical	Discharge, cubic feet per second	Not checked	Mean	1 Day					 	Stream flow, mean. daily	ft3/s
00061	Physical	Discharge, instantaneous, cubic feet per second	Agree							 	Stream flow, instantaneous	ft3/s
00062	Physical	Elevation of reservoir water surface above datum, feet	Agree							 	 	ft
00064	Physical	Mean depth of stream, feet	Agree	Mean						 	Depth	ft
00065	Physical	Gage height, feet	Agree							 	Height, gage	ft
00067	Physical	Tide stage, code	Agree							 	Tide stage	code
00070	Physical	Turbidity, water, unfiltered, Jackson Turbidity Units	Agree					Total		 	Turbidity	JTU
00072	Physical	Stream stage, meters	Agree							 	Stream stage	m
00074	Physical	Light transmission, 1 meter path length, water, unfiltered, percent	Agree					Total		 	 	%
00075	Physical	Turbidity, water, unfiltered, Hellige turbidimeter, milligrams per liter as silicon dioxide	Agree					Total		 	Turbidity, hellige	mg/l SiO2
00076	Physical	Turbidity, water, unfiltered, nephelometric turbidity units	Not agree					Total		 	Turbidity	NTU
00077	Physical	Transparency, water, in situ, Secchi disc, inches	Agree							 	Water transparency, Secchi disc	in
00078	Physical	Transparency, water, in situ, Secchi disc, meters	Agree							 	Water transparency, Secchi disc	m
00080	Physical	Color, water, filtered, platinum cobalt units	Agree					Dissolved		 	Color	PCU
00081	Physical	Apparent color, water, unfiltered, platinum-cobalt units	Agree					Total		 	Apparent color	PCU
00085	Physical	Odor at room temperature, threshold odor number	Agree							 	Odor threshold number	TON
00086	Physical	Odor at 60 degrees Celsius, threshold odor number	Agree						60 deg C	 	Odor threshold number	TON
00090	Physical	Oxidation reduction potential, reference electrode not specified, millivolts	Agree							 	Oxidation reduction potential (ORP)	mV
00094	Physical	Specific conductance, water, unfiltered, field, microsiemens per centimeter at 25 degrees Celsius	Agree					Total	25 deg C	 	Specific conductance	uS/cm @25C
00095	Physical	Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	Agree					Total	25 deg C	 	Specific conductance	uS/cm @25C
00096	Physical	Salinity, water, unfiltered, milligrams per milliliter at 25 degrees Celsius	Agree					Total	25 deg C	 	Salinity	mg/mL @25C
00117	Physical	Precipitation, duration of storm event, minutes	Agree							 	Precipitation event duration	minutes
00118	Physical	Precipitation, cumulative at given time, location 6, inches	Agree							 	Precipitation	in
00119	Physical	Precipitation, cumulative at given time, location 5, inches	Agree							 	Precipitation	in
00120	Physical	Precipitation, cumulative at given time, location 4, inches	Agree							 	Precipitation	in
00121	Physical	Precipitation, cumulative at given time, location 3, inches	Agree							 	Precipitation	in
00122	Physical	Precipitation, cumulative at given time, location 2, inches	Agree							 	Precipitation	in
00123	Physical	Precipitation, cumulative at given time, location 1, inches	Agree							 	Precipitation	in
00124	Physical	Precipitation, intensity at given time, location 6, inches per hour	Agree							 	Precipitation	in/hr
00125	Physical	Precipitation, intensity at given time, location 5, inches per hour	Agree							 	Precipitation	in/hr
00126	Physical	Precipitation, intensity at given time, location 4, inches per hour	Agree							 	Precipitation	in/hr
00127	Physical	Precipitation, intensity at given time, location 3, inches per hour	Agree							 	Precipitation	in/hr
00128	Physical	Precipitation, intensity at given time, location 2, inches per hour	Agree							 	Precipitation	in/hr
00129	Physical	Precipitation, intensity at given time, location 1, inches per hour	Agree							 	Precipitation	in/hr
00164	Physical	Flow, gallons per batch	Agree							 	Flow, gallons per batch	gal/batch
00193	Physical	Precipitation total for defined period, inches	Agree					Total		 	Precipitation	in
00196	Physical	Wind run, miles	Agree							 	 	mi
00197	Physical	Evaporation, accumulated, inches	Agree							 	Evaporation	in
00198	Physical	Depth to 10 percent of surface light, feet	Agree							 	 	ft
00199	Physical	Depth to 50 percent of surface light, feet	Agree							 	Light attenuation, depth at 50%	ft
00200	Physical	Incident light intensity, 400-700 nanometers, microeinsteins per square meter per second	Agree							 	 	uE/m2/sec
00201	Physical	Incident light, daily total, 400-700 nanometers, microeinsteins per square meter	Agree		Daily			Total		 	 	uEinst/m2
00294	Physical	Chemical oxygen demand, soluble, dry atmospheric deposition, milligrams per kilogram	Not checked							 	Chemical oxygen demand	mg/kg
00296	Physical	Chemical oxygen demand, insoluble, dry atmospheric deposition, milligrams per kilogram	Not checked							 	Chemical oxygen demand	mg/kg
00297	Physical	Chemical oxygen demand, total, dry atmospheric deposition, milligrams per kilogram	Not checked					Total		 	Chemical oxygen demand	mg/kg
00302	Physical	Immediate oxygen demand, water, unfiltered, 20 degrees Celsius, milligrams per liter	Not checked					Total	20 deg C	 	 	mg/l
00310	Physical	Biochemical oxygen demand, water, unfiltered, 5 days at 20 degrees Celsius, milligrams per liter	Not checked		5 Day			Total	20 deg C	 	Biochemical oxygen demand, standard conditions	mg/l
00315	Physical	Biochemical oxygen demand, water, unfiltered, 7 days at 20 degrees Celsius, milligrams per liter	Not checked		7 Day			Total	20 deg C	 	Biochemical oxygen demand, non-standard conditions	mg/l
00319	Physical	Ultimate biochemical oxygen demand, water, unfiltered, 20 degrees Celsius, milligrams per liter	Not checked		Ultimate			Total	20 deg C	 	BOD, ultimate	mg/l
00320	Physical	Ultimate carbonaceous biochemical oxygen demand, water, unfiltered, 20 degrees Celsius, milligrams per liter	Not checked		Ultimate			Total	20 deg C	 	Carbonaceous biochemical oxygen demand, non-standard conditions	mg/l
00321	Physical	Ultimate nitrogenous biochemical oxygen demand, water, unfiltered, milligrams per liter	Not checked		Ultimate			Total		 	Nitrogenous biochemical oxygen demand	mg/l
00324	Physical	Biochemical oxygen demand, water, unfiltered, 20 days at 20 degrees Celsius, milligrams per liter	Not checked		20 Day			Total	20 deg C	 	Biochemical oxygen demand, non-standard conditions	mg/l
00325	Physical	Deoxygenation constant (k1 to base e), biochemical oxygen demand, 20 degrees Celsius, water, unfiltered, per day	Not checked					Total	20 deg C	 	 	per day
00330	Physical	Reoxygenation constant (k2 to base e), water, unfiltered, per day	Not checked					Total		 	 	per day
00335	Physical	Chemical oxygen demand, low level, water, unfiltered, milligrams per liter	Not checked					Total		 	Chemical oxygen demand, (low level)	mg/l
00339	Physical	Chemical oxygen demand, bed sediment, total, dry weight, milligrams per kilogram	Not checked			Dry		Bed Sediment		 	Chemical oxygen demand	mg/kg
00340	Physical	Chemical oxygen demand, high level, water, unfiltered, milligrams per liter	Not checked					Total		 	Chemical oxygen demand, (high level)	mg/l
00349	Physical	Biochemical oxygen demand, water, unfiltered, 30 days at 20 degrees Celsius, milligrams per liter	Not checked		30 Day			Total	20 deg C	 	Biochemical oxygen demand, non-standard conditions	mg/l
00359	Physical	Biochemical oxygen demand, water, filtered, 5 days at 20 degrees Celsius, milligrams per liter	Agree		5 Day			Dissolved	20 deg C	 	BOD, filtered, 5 day, 20 deg C	mg/l
00367	Physical	Chemical oxygen demand, low level, water, filtered, milligrams per liter	Not checked					Dissolved		 	Chemical oxygen demand, (low level)	mg/l
00400	Physical	pH, water, unfiltered, field, standard units	Agree					Total		 	pH	std units
00401	Physical	Cations minus anions, water, milliequivalents	Agree							 	Cations-Anions	meq
00402	Physical	Specific conductance, non-temperature corrected, water, unfiltered, microsiemens per centimeter	Agree					Total		 	Specific conductance	uS/cm
00403	Physical	pH, water, unfiltered, laboratory, standard units	Agree					Total		 	pH, lab	std units
00408	Physical	pH, water, filtered, laboratory, standard units	Not checked					Dissolved		 	 	std units
00434	Physical	pH adjusted to 25 degrees Celsius, water, laboratory, standard units	Not checked						25 deg C	 	 	std units
00480	Physical	Salinity, water, unfiltered, parts per thousand	Not checked					Total		 	Salinity	ppth
00495	Physical	Moisture content, fraction of dry weight, percent	Not checked			Dry				 	Moisture content	%
00500	Physical	Total solids dried at 105 degrees Celsius, water, unfiltered, milligrams per liter	Not checked					Total	105 deg C	 	Total solids	mg/l
00505	Physical	Loss on ignition of total solids, water, unfiltered, milligrams per liter	Not checked					Total		 	Total volatile solids	mg/l
00510	Physical	Total solids remaining after ignition, water, unfiltered, milligrams per liter	Not checked					Total		 	Total fixed solids	mg/l
00515	Physical	Dissolved solids dried at 105 degrees Celsius, water, filtered, milligrams per liter	Not checked					Dissolved	105 deg C	 	Total dissolved solids	mg/l
00520	Physical	Loss on ignition of dissolved solids, water, filtered, milligrams per liter	Not checked					Dissolved		 	Volatile dissolved solids	mg/l
00525	Physical	Dissolved solids remaining after ignition, water, filtered, milligrams per liter	Not checked					Dissolved		 	Fixed dissolved solids	mg/l
00530	Physical	Suspended solids, water, unfiltered, milligrams per liter	Not checked					Non-filterable		 	Total suspended solids	mg/l
00535	Physical	Loss on ignition of suspended solids, water, unfiltered, milligrams per liter	Not checked					Non-filterable		 	Volatile Suspended Solids	mg/l
00540	Physical	Suspended solids remaining after ignition, water, unfiltered, milligrams per liter	Not checked							 	Fixed suspended solids	mg/l
00545	Physical	Settleable solids, water, unfiltered, milligrams per liter	Not checked					Settleable		 	Settleable solids	mg/l
00548	Physical	Non-settleable solids remaining after ignition, milligrams per liter	Not checked							 	 	mg/l
00549	Physical	Loss on ignition of non-settleable solids, milligrams per liter	Not checked					Non-settleable		 	 	mg/l
00898	Physical	Carbonate hardness, water, filtered, milligrams per liter as calcium carbonate	USGS use and no use by EPA					Dissolved		 	Hardness, carbonate	mg/l CaCO3
00900	Physical	Hardness, water, milligrams per liter as calcium carbonate	Agree							 	Total hardness -- SDWA NPDWR	mg/l CaCO3
00901	Physical	Carbonate hardness, water, unfiltered, milligrams per liter as calcium carbonate	Not checked					Total		 	Hardness, carbonate	mg/l CaCO3
00902	Physical	Noncarbonate hardness, water, unfiltered, field, milligrams per liter as calcium carbonate	Not checked					Total		 	Hardness, non-carbonate	mg/l CaCO3
00903	Physical	Noncarbonate hardness, water, unfiltered, lab, milligrams per liter as calcium carbonate	Not checked					Total		 	Hardness, non-carbonate	mg/l CaCO3
00904	Physical	Noncarbonate hardness, water, filtered, field, milligrams per liter as calcium carbonate	Not checked					Dissolved		 	Hardness, non-carbonate	mg/l CaCO3
00905	Physical	Noncarbonate hardness, water, filtered, lab, milligrams per liter as calcium carbonate	Not checked					Dissolved		 	Hardness, non-carbonate	mg/l CaCO3
00906	Physical	Hardness, water, filtered, calculated, milligrams per liter as calcium carbonate	USGS use and no use by EPA					Dissolved		 	Total hardness -- SDWA NPDWR	mg/l CaCO3
00907	Physical	Hardness, water, unfiltered, calculated, milligrams per liter as calcium carbonate	USGS use and no use by EPA					Total		 	Total hardness -- SDWA NPDWR	mg/l CaCO3
00908	Physical	Hardness, water, filtered, measured, milligrams per liter as calcium carbonate	USGS use and no use by EPA					Dissolved		 	Total hardness -- SDWA NPDWR	mg/l CaCO3
00909	Physical	Hardness, water, unfiltered, measured, milligrams per liter as calcium carbonate	USGS use and no use by EPA					Total		 	Total hardness -- SDWA NPDWR	mg/l CaCO3
01305	Physical	Suds or foam, severity, code	Not checked							 	Detergent, severity	code
01310	Physical	Gas bubbles, severity, code	Not checked							 	Gas bubble severity	code
01315	Physical	Floating sludge, severity, code	Not checked							 	Floating sludge, severity	code
01320	Physical	Floating garbage, severity, code	Not checked							 	Trash, Debris, Floatables	code
01325	Physical	Floating algae mats, severity, code	Not checked							 	Algae, floating mats (severity)	code
01330	Physical	Odor, atmospheric, severity, code	Not checked							 	Odor, atmospheric	code
01335	Physical	Sewage solids, fresh floating, severity, code	Not checked							 	 	code
01345	Physical	Floating debris, severity, code	Not checked							 	Floating debris, severity	code
01350	Physical	Turbidity, severity, code	Not checked							 	Turbidity severity	code
01351	Physical	Streamflow, severity, code	Not checked							 	Flow, severity	code
01355	Physical	Ice cover, floating or solid, severity, code	Not checked							 	Ice cover, floating or solid	code
30205	Physical	Temperature, wood (fire potential), degrees Fahrenheit	Agree							 	 	deg F
30206	Physical	Temperature, wood (fire potential), degrees Celsius	Agree							 	 	deg C
30207	Physical	Gage height, above datum, meters	Agree							 	Gage height	m
30208	Physical	Discharge, cubic meters per second	Agree	Mean	1 Day					 	 	m3/sec
30209	Physical	Discharge, instantaneous, cubic meters per second	Agree							 	Stream flow, instantaneous	m3/sec
30210	Physical	Depth to water level, below land surface datum (LSD), meters	Agree							 	Depth, from ground surface to well water level	m
30211	Physical	Elevation above NGVD 1929, meters	Agree							 	 	m
30212	Physical	Stage, sonic range determination, feet	Agree							 	 	ft
30213	Physical	Stage, sonic range determination, meters	Agree							 	 	m
30214	Physical	Pressure, relative, manometer tank, count	Agree							 	 	count
30267	Physical	Illumination, lumens per square foot	Agree							 	 	lm/ft2
30334	Physical	Surface area, suspended sediment, square meters per gram	Agree					Suspended		 	Surface area	m2/g
32290	Physical	Fluorescence transmission (transparency to fluorescence) at 700 nm, percent	Not checked							 	 	%
32291	Physical	UV fluorescence, water, in situ, single band, 370 nm excitation, 460 nm emission, relative fluorescence units (RFU)	Not checked							 	 	RFU
32292	Physical	UV fluorescence, water, in situ, single band, 270 nm excitation, 340 nm emission, relative fluorescence units (RFU)	Not checked							 	 	RFU
32293	Physical	UV fluorescence, water, in situ, single band, 370 nm excitation, 470 nm emission, relative fluorescence units (RFU)	Not checked							 	 	RFU
32294	Physical	UV fluorescence, water, in situ, single band, 370 nm excitation, 520 nm emission, relative fluorescence units (RFU)	Not checked							 	 	RFU
32295	Physical	Dissolved organic matter fluorescence (fDOM), water, in situ, micrograms per liter as quinine sulfate equivalents (QSE)	Not checked					Dissolved		 	Colored dissolved organic matter (CDOM)	ug/l QSE
32296	Physical	Absorbance at 280 nm, water, filtered, absorbance units per centimeter	Not checked					Dissolved		 	 	AU/cm
32297	Physical	Absorbance at 370 nm, water, filtered, absorbance units per centimeter	Not checked					Dissolved		 	 	AU/cm
32298	Physical	Absorbance at 412 nm, water, filtered, absorbance units per centimeter	Not checked					Dissolved		 	 	AU/cm
32299	Physical	Absorbance at 440 nm, water, filtered, absorbance units per centimeter	Not checked					Dissolved		 	 	AU/cm
32300	Physical	Absorption spectral slope (Sag), wavelengths 275 to 295 nm, unitless	Not checked					Dissolved		 	 	None
32301	Physical	Absorption spectral slope (Sag), wavelengths 290 to 350 nm, unitless	Not checked					Dissolved		 	 	None
32302	Physical	Absorption spectral slope (Sag), wavelengths 350 to 400 nm, unitless	Not checked					Dissolved		 	 	None
32303	Physical	Absorption spectral slope, wavelengths 412 to 676 nm, unitless	Not checked					Dissolved		 	 	None
32304	Physical	Fluorescence, water, filtered, excitation at 260 nm, emission at 450 nm, Raman units (RU)	Not checked					Dissolved		 	 	RU
32305	Physical	Fluorescence, water, filtered, excitation at 275 nm, emission at 304 nm, Raman units (RU)	Not checked					Dissolved		 	 	RU
32306	Physical	Fluorescence, water, filtered, excitation at 340 nm, emission at 440 nm, micrograms per liter of quinine sulfate equivalents (QSE)	Not checked					Dissolved		 	 	ug/l QSE
32307	Physical	Fluorescence, water, filtered, excitation at 390 nm, emission at 510 nm, Raman units (RU)	Not checked					Dissolved		 	 	RU
32308	Physical	Fluorescence, water, filtered, excitation at 370 nm, emission at 460 nm, micrograms per liter of quinine sulfate equivalents (QSE)	Not checked					Dissolved		 	 	ug/l QSE
32309	Physical	Fluorescence, water, filtered, excitation at 300 nm, emission at 390 nm, Raman units (RU)	Not checked					Dissolved		 	 	RU
32310	Physical	Fluorescence, water, filtered, excitation at 280 nm, emission at 370 nm, Raman units (RU)	Not checked					Dissolved		 	 	RU
32311	Physical	Fluorescence, water, filtered, excitation at 275 nm, emission at 340 nm, Raman units (RU)	Not checked					Dissolved		 	 	RU
32312	Physical	Fluorescence Index - ratio of emission intensities which characterizes the slope of the emission curve at an excitation of 370 nm	Not checked					Dissolved		 	 	None
32313	Physical	Humification Index - calculated by dividing the fluorescence intensity in the 435-480 nm region by the total intensities in the 300-345 and 435-480 nm regions	Not checked					Dissolved		 	 	None
32315	Physical	Chlorophyll fluorescence (fChl), water, in situ, relative fluorescence units (RFU)	Not checked					Total		479-61-8	Chlorophyll a	RFU
32316	Physical	Chlorophyll fluorescence (fChl), water, in situ, micrograms per liter as chlorophyll	Not checked					Total		479-61-8	Chlorophyll a	ug/l
32319	Physical	Phycocyanin fluorescence (fPC), water, in situ, micrograms per liter as phycocyanin	Not checked					Total		 	 	ug/l
32321	Physical	Phycocyanin fluorescence (fPC), water, in situ, relative fluorescence units (RFU)	Not checked					Total		 	 	RFU
32322	Physical	Dissolved organic matter fluorescence (fDOM), water, in situ, relative fluorescence units (RFU)	Not checked					Total		 	Colored dissolved organic matter (CDOM)	RFU
32323	Physical	Phycoerythrin fluorescence (fPE), water, in situ, relative fluorescence units (RFU)	Not checked					Total		 	 	RFU
32327	Physical	Absorbance at 254 nm, water, in situ, absorbance units	Not checked					Total		 	UV 254 -- SDWA NPDWR	AU
32328	Physical	Absorbance at 350 nm, water, in situ, absorbance units	Not checked					Total		 	 	AU
32332	Physical	Fluorescence, water, filtered, excitation at 340 nm, emission at 440 nm, Raman units (RU)	Not checked					Dissolved		 	 	RU
32333	Physical	Fluorescence, water, filtered, excitation at 370 nm, emission at 460 nm, Raman units (RU)	Not checked					Dissolved		 	 	RU
34777	Physical	Exposed bedrock in streambed (fraction of the streambed that is exposed bedrock), percent	Agree							 	 	%
45001	Physical	Precipitation, number of days since 0.25 to 0.5 inch precipitation event	Agree							 	 	days
45002	Physical	Precipitation, number of days since 0.5 to 1.0 inch precipitation event	Agree							 	 	days
45003	Physical	Precipitation, number of days since greater than 1.0 inch precipitation event	Agree							 	 	days
46253	Physical	pH, 1 to 1 soil/water mixture, standard units	Agree							 	pH, in soil	std units
46311	Physical	Moisture content, soil, dry weight, percent	Agree			Dry		Total		 	Moisture content	%
46514	Physical	Solar radiation, upward intensity, calories per square centimeter per minute	Agree							 	 	cal/cm2/mn
46515	Physical	Solar radiation, downward intensity, calories per square centimeter per minute	Agree							 	 	cal/cm2/mn
46516	Physical	Solar radiation, net, calories per square centimeter per minute	Agree							 	 	cal/cm2/mn
46529	Physical	Precipitation, inches	Agree							 	Precipitation	in
49282	Physical	Moisture content, bed sediment smaller than 2 millimeters, wet sieved (native water), field, recoverable, dry weight, percent	Not agree			Dry	< 2 mm	Bed Sediment		 	Moisture content	%
49491	Physical	Moisture content, biota, whole organism, recoverable, wet weight, percent	Not agree			Wet		Recoverable		 	Moisture content	%
49701	Physical	Transparency, water, in situ, Secchi disc, feet	Agree							 	Water transparency, Secchi disc	ft
49982	Physical	Bulk density, soil, dry, grams per cubic centimeter	Not checked			Dry		Total		 	 	g/cm3
49983	Physical	Mineral density, soil, grams per cubic centimeter	Not checked					Total		 	 	g/cm3
49984	Physical	Rubbed fiber content, soil, percent	Not checked					Total		 	 	%
49985	Physical	Marsh level movement, vertical, meters	Not checked							 	 	m
49986	Physical	Degree of decomposition, soil, code	Not checked					Total		 	 	code
50011	Physical	Temperature, vent gas, volcanic, degrees Celsius	Agree							 	 	deg C
50012	Physical	Compaction, aquifer system, feet	Not checked							 	 	ft
50013	Physical	Compaction, soil, feet	Not checked					Total		 	 	ft
50042	Physical	Discharge, gallons per minute	Agree							 	 	gal/min
50047	Physical	Flow, maximum during 24 hour period, million gallons per day	Agree	Maximum	24 Hour					 	Flow, maximum during 24-hour period	mgd
50048	Physical	Flow, minimum during 24 hour period, million gallons per day	Agree	Minimum	24 Hour					 	 	mgd
50050	Physical	Flow, in conduit or through a treatment plant, million gallons per day	Agree							 	Flow, in conduit or treatment plant	mgd
50051	Physical	Flow rate, instantaneous, million gallons per day	Agree							 	Flow rate, instantaneous	mgd
50052	Physical	Flow total during composite period, thousands of gallons	Agree					Total		 	 	Kgal
50054	Physical	Storm water overflow volume, millions of gallons	Agree							 	 	Mgal
50086	Physical	Settleable solids, water, unfiltered, milliliters per liter per hour	Agree					Settleable		 	Settleable solids	mL/L/hr
50624	Physical	Absorbance, 254 nm, water, filtered, absorbance units per centimeter	Not agree					Dissolved		 	UV 254 -- SDWA NPDWR	units/cm
51331	Physical	Solids, smaller than 2 mm, wet sieved, dry weight, percent of wet weight	Not checked			Wet	< 2 mm			 	 	%
51332	Physical	Solids, smaller than 0.063 mm, wet sieved, dry weight, percent of wet weight	Not checked			Wet	< 0.063 mm			 	 	%
51333	Physical	Solids, between 0.063 and 0.250 mm, wet sieved, dry weight, percent of wet weight	Not checked			Wet	0.063-0.25 mm			 	 	%
51334	Physical	Solids, between 0.250 mm and 1 mm, wet sieved, dry weight, percent of wet weight	Not checked			Wet	0.25-1.0 mm			 	 	%
51335	Physical	Loss on ignition, solids smaller than 2 mm, wet sieved, percent	Not checked				< 2 mm			 	 	%
51336	Physical	Loss on ignition, solids smaller than 0.063 mm, wet sieved, percent	Not checked				< 0.063 mm			 	 	%
51337	Physical	Loss on ignition, solids between 0.063 and 0.250 mm, wet sieved, percent	Not checked				0.063-0.25 mm			 	 	%
51338	Physical	Loss on ignition, solids between 0.250 mm and 1 mm, wet sieved, percent	Not checked				0.25-1.0 mm			 	 	%
51339	Physical	Bulk density, solids smaller than 2 mm, wet sieved, grams per cubic centimeter	Not checked				< 2 mm			 	 	g/cm3
51340	Physical	Bulk density, solids smaller than 0.063 mm, wet sieved, grams per cubic centimeter	Not checked				< 0.063 mm			 	 	g/cm3
51341	Physical	Bulk density, solids between 0.063 and 0.250 mm, wet sieved, grams per cubic centimeter	Not checked				0.063-0.25 mm			 	 	g/cm3
51342	Physical	Bulk density, solids between 0.250 mm and 1 mm, wet sieved, grams per cubic centimeter	Not checked				0.25-1.0 mm			 	 	g/cm3
51343	Physical	Porosity, solids smaller than 2 mm, wet sieved, fraction	Not checked				< 2 mm			 	 	fraction
51344	Physical	Porosity, solids smaller than 0.063 mm, wet sieved, fraction	Not checked				< 0.063 mm			 	 	fraction
51345	Physical	Porosity, solids between 0.063 and 0.250 mm, wet sieved, fraction	Not checked				0.063-0.25 mm			 	 	fraction
51346	Physical	Porosity, solids between 0.250 mm and 1 mm, wet sieved, fraction	Not checked				0.25-1.0 mm			 	 	fraction
52723	Physical	Solids, percent smaller than 0.00038 millimeters	Not checked				<.00038mm			 	 	%
52724	Physical	Solids, percent smaller than 0.0006 millimeters	Not checked				<0.0006mm			 	 	%
52725	Physical	Solids, percent smaller than 0.0007 millimeters	Not checked				<0.0007mm			 	 	%
52726	Physical	Solids, percent smaller than 0.0008 millimeters	Not checked				<0.0008mm			 	 	%
52727	Physical	Solids, percent smaller than 0.0012 millimeters	Not checked				<0.0012mm			 	 	%
52728	Physical	Solids, percent smaller than 0.0014 millimeters	Not checked				<0.0014mm			 	 	%
52729	Physical	Solids, percent smaller than 0.0016 millimeters	Not checked				<0.0016mm			 	 	%
52730	Physical	Solids, percent smaller than 0.0023 millimeters	Not checked				<0.0023mm			 	 	%
52731	Physical	Solids, percent smaller than 0.0028 millimeters	Not checked				<0.0028mm			 	 	%
52732	Physical	Solids, percent smaller than 0.0033 millimeters	Not checked				<0.0033mm			 	 	%
52733	Physical	Solids, percent smaller than 0.005 millimeters	Not checked				<0.005 mm			 	 	%
52734	Physical	Solids, percent smaller than 0.006 millimeters	Not checked				<0.006 mm			 	 	%
52735	Physical	Solids, percent smaller than 0.007 millimeters	Not checked				<0.007 mm			 	 	%
52736	Physical	Solids, percent smaller than 0.009 millimeters	Not checked				<0.009 mm			 	 	%
52737	Physical	Solids, percent smaller than 0.011 millimeters	Not checked				<0.011 mm			 	 	%
52738	Physical	Solids, percent smaller than 0.013 millimeters	Not checked				<0.013 mm			 	 	%
52739	Physical	Solids, percent smaller than 0.019 millimeters	Not checked				<0.019 mm			 	 	%
52740	Physical	Solids, percent smaller than 0.022 millimeters	Not checked				<0.022 mm			 	 	%
52741	Physical	Solids, percent smaller than 0.026 millimeters	Not checked				<0.026 mm			 	 	%
52742	Physical	Solids, percent smaller than 0.037 millimeters	Not checked				<0.037 mm			 	 	%
52743	Physical	Solids, percent smaller than 0.044 millimeters	Not checked				<0.044 mm			 	 	%
52744	Physical	Solids, percent smaller than 0.053 millimeters	Not checked				<0.053 mm			 	 	%
52745	Physical	Solids, percent smaller than 0.074 millimeters	Not checked				<0.074 mm			 	 	%
52746	Physical	Solids, percent smaller than 0.088 millimeters	Not checked				<0.088 mm			 	 	%
52747	Physical	Solids, percent smaller than 0.105 millimeters	Not checked				<0.105 mm			 	 	%
52748	Physical	Solids, percent smaller than 0.149 millimeters	Not checked				<0.149 mm			 	 	%
52749	Physical	Solids, percent smaller than 0.177 millimeters	Not checked				<0.177 mm			 	 	%
52750	Physical	Solids, percent smaller than 0.210 millimeters	Not checked				<0.210 mm			 	 	%
52751	Physical	Solids, percent smaller than 0.297 millimeters	Not checked				<0.297 mm			 	 	%
52752	Physical	Solids, percent smaller than 0.354 millimeters	Not checked				<0.354 mm			 	 	%
52753	Physical	Solids, percent smaller than 0.420 millimeters	Not checked				<0.420 mm			 	 	%
52754	Physical	Solids, percent smaller than 0.595 millimeters	Not checked				<0.595 mm			 	 	%
52755	Physical	Solids, percent smaller than 0.707 millimeters	Not checked				<0.707 mm			 	 	%
52756	Physical	Solids, percent smaller than 0.841 millimeters	Not checked				<0.841 mm			 	 	%
52757	Physical	Solids, percent smaller than 1.189 millimeters	Not checked				<1.189 mm			 	 	%
52758	Physical	Solids, percent smaller than 1.414 millimeters	Not checked				<1.414 mm			 	 	%
52759	Physical	Solids, percent smaller than 1.682 millimeters	Not checked				<1.682 mm			 	 	%
52887	Physical	Air-equilibrated pH, water, unfiltered, purged, standard units	Not checked					Total		 	 	std units
52901	Physical	Fluorescence, water, filtered, excitation at 340 nm, emission at 440 nm, Raman units (RU)	Not checked					Dissolved		 	 	RU
52902	Physical	Fluorescence, water, filtered, excitation at 370 nm, emission at 460 nm, Raman units (RU)	Not checked					Dissolved		 	 	RU
53048	Physical	Transparency, water, unfiltered, field, measured using a Secchi tube, centimeters	Not checked					Total		 	 	cm
53049	Physical	Transparency, water, unfiltered, field, measured using a Secchi tube, inches	Not checked					Total		 	 	in
61028	Physical	Turbidity, water, unfiltered, field, nephelometric turbidity units	Agree					Total		 	Turbidity	NTU
61032	Physical	Carbonaceous biochemical oxygen demand, water, filtered, nitrogen inhibited, 20 days at 20 degrees Celsius, milligrams per liter	Agree		20 Day			Dissolved	20 deg C	 	Carbonaceous biochemical oxygen demand, non-standard conditions	mg/l
61168	Physical	Carbonaceous biochemical oxygen demand, water, unfiltered, nitrogen inhibited, 20 days at 20 degrees Celsius, milligrams per liter	Agree		20 Day			Total	20 deg C	 	Carbonaceous biochemical oxygen demand, non-standard conditions	mg/l
61726	Physical	Absorbance, UV, organic constituents, 280 nm, 1 cm path length, water, filtered, absorbance units per centimeter	Agree					Dissolved		 	 	units/cm
61727	Physical	Wind gust speed, air, knots	Agree							 	 	knots
61728	Physical	Wind gust speed, air, miles per hour	Agree							 	 	mph
61729	Physical	Wind gust direction, air, degrees clockwise from true north	Agree							 	 	Deg
61920	Physical	Temperature, bed sediment, degrees Celsius	Not checked					Bed Sediment		 	 	deg C
62600	Physical	Water level elevation above NGVD 1929, corrected for barometric pressure, feet	USGS use and no use by EPA							 	 	ft
62601	Physical	Water level elevation above NGVD 1929, inclined (non-vertical) well, feet	USGS use and no use by EPA							 	 	ft
62602	Physical	Barometric pressure, corrected to sea level, inches of mercury	USGS use and no use by EPA							 	Barometric pressure	in/Hg
62603	Physical	Barometric pressure, uncorrected, inches of mercury	USGS use and no use by EPA							 	Barometric pressure	in/Hg
62604	Physical	Barometric pressure, corrected to sea level, inches of water	USGS use and no use by EPA							 	Barometric pressure	in/H2O
62605	Physical	Barometric pressure, uncorrected, inches of water	USGS use and no use by EPA							 	Barometric pressure	in/H2O
62606	Physical	Barometric pressure, corrected to sea level, kilopascals	USGS use and no use by EPA							 	Barometric pressure	kPa
62607	Physical	Barometric pressure, uncorrected, kilopascals	USGS use and no use by EPA							 	Barometric pressure	kPa
62608	Physical	Total solar radiation (direct + diffuse radiation on a horizontal surface), watts per square meter	USGS use and no use by EPA					Total		 	 	W/m2
62609	Physical	Net solar radiation, watts per square meter	USGS use and no use by EPA							 	 	W/m2
62610	Physical	Groundwater level above NGVD 1929, feet	USGS use and no use by EPA							 	 	ft
62611	Physical	Groundwater level above NAVD 1988, feet	USGS use and no use by EPA							 	 	ft
62612	Physical	Groundwater level above NGVD 1929, meters	USGS use and no use by EPA							 	 	m
62613	Physical	Groundwater level above NAVD 1988, meters	USGS use and no use by EPA							 	 	m
62614	Physical	Lake or reservoir water surface elevation above NGVD 1929, feet	USGS use and no use by EPA							 	 	ft
62615	Physical	Lake or reservoir water surface elevation above NAVD 1988, feet	USGS use and no use by EPA							 	 	ft
62616	Physical	Lake or reservoir water surface elevation above NGVD 1929, meters	USGS use and no use by EPA							 	 	m
62617	Physical	Lake or reservoir water surface elevation above NAVD 1988, meters	USGS use and no use by EPA							 	 	m
62618	Physical	Lake or reservoir stage, above datum, meters	USGS use and no use by EPA							 	 	m
62619	Physical	Estuary or ocean water surface elevation above NGVD 1929, feet	USGS use and no use by EPA							 	 	ft
62620	Physical	Estuary or ocean water surface elevation above NAVD 1988, feet	USGS use and no use by EPA							 	 	ft
62621	Physical	Estuary or ocean water surface elevation above NGVD 1929, meters	USGS use and no use by EPA							 	 	m
62622	Physical	Estuary or ocean water surface elevation above NAVD 1988, meters	USGS use and no use by EPA							 	 	m
62623	Physical	Tide stage, above datum, feet	USGS use and no use by EPA							 	Tide stage	ft
62624	Physical	Tide stage, above datum, meters	USGS use and no use by EPA							 	Tide stage	m
62625	Physical	Wind speed, meters per second	USGS use and no use by EPA							 	Wind velocity	m/sec
62846	Physical	Temperature, soil, degrees Fahrenheit	USGS use and no use by EPA							 	 	deg F
62856	Physical	Discharge, peak for storm event, cubic feet per second	USGS use and no use by EPA	Maximum	1 Day					 	 	ft3/s
62923	Physical	Solids, percent smaller than 0.0005 millimeters	USGS use and no use by EPA				< 0.0005 mm			 	 	%
62924	Physical	Solids, percent smaller than 0.001 millimeters	USGS use and no use by EPA				< 0.001 mm			 	 	%
62925	Physical	Solids, percent smaller than 0.002 millimeters	USGS use and no use by EPA				< 0.002 mm			 	 	%
62926	Physical	Solids, percent smaller than 0.004 millimeters	USGS use and no use by EPA				< 0.004 mm			 	 	%
62927	Physical	Solids, percent smaller than 0.008 millimeters	USGS use and no use by EPA				< 0.008 mm			 	 	%
62928	Physical	Solids, percent smaller than 0.016 millimeters	USGS use and no use by EPA				< 0.016 mm			 	 	%
62929	Physical	Solids, percent smaller than 0.031 millimeters	USGS use and no use by EPA				< 0.031 mm			 	 	%
62930	Physical	Solids, percent smaller than 0.05 millimeters	USGS use and no use by EPA				< 0.05 mm			 	 	%
62931	Physical	Solids, percent smaller than 0.0625 millimeters	USGS use and no use by EPA				< 0.0625 mm			 	 	%
62932	Physical	Solids, percent smaller than 0.1 millimeters	USGS use and no use by EPA				< 0.1 mm			 	 	%
62933	Physical	Solids, percent smaller than 0.125 millimeters	USGS use and no use by EPA				< 0.125 mm			 	 	%
62934	Physical	Solids, percent smaller than 0.25 millimeters	USGS use and no use by EPA				< 0.25 mm			 	 	%
62935	Physical	Solids, percent smaller than 0.5 millimeters	USGS use and no use by EPA				< 0.5 mm			 	 	%
62936	Physical	Solids, percent smaller than 1 millimeters	USGS use and no use by EPA				< 1 mm			 	 	%
62937	Physical	Solids, percent smaller than 2 millimeters	USGS use and no use by EPA				< 2 mm			 	 	%
62938	Physical	Solids, percent smaller than 4 millimeters	USGS use and no use by EPA				< 4 mm			 	 	%
62939	Physical	Solids, percent smaller than 8 millimeters	USGS use and no use by EPA				< 8 mm			 	 	%
62940	Physical	Solids, percent smaller than 16 millimeters	USGS use and no use by EPA				< 16 mm			 	 	%
62941	Physical	Solids, percent smaller than 32 millimeters	USGS use and no use by EPA				< 32 mm			 	 	%
62942	Physical	Solids, percent smaller than 64 millimeters	USGS use and no use by EPA				< 64 mm			 	 	%
62943	Physical	Solids, percent smaller than 128 millimeters	USGS use and no use by EPA				< 128 mm			 	 	%
62947	Physical	Bulk density, solids, grams per cubic centimeter	USGS use and no use by EPA							 	 	g/cm3
62948	Physical	Moisture content, solids, gravimetric, dry weight, grams of water per gram of dry solids	USGS use and no use by EPA			Dry				 	Moisture content	g H2O/g
62949	Physical	Moisture content, solids, volumetric, percent of total volume	USGS use and no use by EPA					Total		 	Moisture content	%
62966	Physical	Temperature, plant surface, degrees Celsius	USGS use and no use by EPA							 	 	deg C
62967	Physical	Soil-heat flux, watts per square meter	USGS use and no use by EPA							 	 	W/m2
62968	Physical	Latent-heat flux, watts per square meter	USGS use and no use by EPA							 	 	W/m2
62969	Physical	Sensible-heat flux, watts per square meter	USGS use and no use by EPA							 	 	W/m2
62970	Physical	Water vapor pressure, megapascals	USGS use and no use by EPA					Vapor		 	 	MPa
63001	Physical	Oxidation reduction potential, raw emf, reference electrode not specified, millivolts	USGS use and no use by EPA							 	Oxidation reduction potential (ORP)	mV
63002	Physical	Oxidation reduction potential, relative to the standard hydrogen electrode (SHE), millivolts	USGS use and no use by EPA							 	Oxidation reduction potential (ORP)	mV
63158	Physical	Stream water level elevation above NGVD 1929, in feet	USGS use and no use by EPA							 	 	ft
63159	Physical	Stream water level elevation above NGVD 1929, in meters	USGS use and no use by EPA							 	 	m
63160	Physical	Stream water level elevation above NAVD 1988, in feet	USGS use and no use by EPA							 	 	ft
63161	Physical	Stream water level elevation above NAVD 1988, in meters	USGS use and no use by EPA							 	 	m
63675	Physical	Turbidity, water, unfiltered, broad band light source (400-680 nm), detection angle 90 +-30 degrees to incident light, nephelometric turbidity units (NTU)	USGS use and no use by EPA					Total		 	Turbidity	NTU
63676	Physical	Turbidity, water, unfiltered, broad band light source (400-680 nm), detectors at multiple angles including 90 +-30 degrees, ratiometric correction, NTRU	USGS use and no use by EPA					Total		 	 	NTRU
63677	Physical	Backscatter turbidity, water, unfiltered, broad band light source (400-680 nm), detection angle 0-45 degrees to incident light, backscatter units (BU)	USGS use and no use by EPA					Total		 	 	BU
63678	Physical	Attenuation turbidity, water, unfiltered, broad band light source (400-680 nm), detection angle 180 degrees to incident light, attenuation units (AU)	USGS use and no use by EPA					Total		 	 	AU
63679	Physical	Turbidity, water, unfiltered, broad band light source (400-680 nm), multiple beam, detectors at multiple angles including 90 degrees, NTMU	USGS use and no use by EPA					Total		 	 	NTMU
63680	Physical	Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	USGS use and no use by EPA					Total		 	Turbidity	FNU
63681	Physical	Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detectors at multiple angles including 90 +-2.5 degrees, ratiometric correction, FNRU	USGS use and no use by EPA					Total		 	 	FNRU
63682	Physical	Turbidity, water, unfiltered, monochrome near infra-red LED light source, 780-900 nm, detection angle 0-45 degrees to incident light (backscatter), FBU	USGS use and no use by EPA					Total		 	 	FBU
63683	Physical	Turbidity, water, unfiltered, monochrome near infra-red LED light source, 780-900 nm, detection angle 180 degrees to incident light (attenuation), FAU	USGS use and no use by EPA					Total		 	 	FAU
63684	Physical	Turbidity, water, unfiltered, monochrome near infra-red LED light source, 780-900 nm, multiple beam, detectors at multiple angles including 90 degrees, FNMU	USGS use and no use by EPA					Total		 	 	FNMU
63740	Physical	Loss on ignition, solids, percent	USGS use and no use by EPA							 	 	%
64094	Physical	Fluorescence at 650-700 nm as a fraction of incident light at 470 nm, measured in situ, percent	USGS use and no use by EPA							 	 	%
64466	Physical	Total suspended particles (TSP) in air, micrograms per cubic meter	USGS use and no use by EPA					Suspended		 	 	ug/m3
65225	Physical	Transparency, water, unfiltered, transparency tube, centimeters	USGS use and no use by EPA					Total		 	Water transparency, tube with disk	cm
65237	Physical	Oxygen-consumption rate, bed sediment, milligrams of oxygen per gram of sediment (dry weight) per hour	USGS use and no use by EPA			Dry		Bed Sediment		 	 	mg O2/g/hr
66700	Physical	Absorbance, UV, organic constituents, 412 nm, 1 cm path length, water, filtered, units per centimeter	USGS use and no use by EPA					Dissolved		 	 	AU/cm
66702	Physical	Chemical oxygen demand, solids, total, dry weight, milligrams per liter	USGS use and no use by EPA			Dry		Total		 	Chemical oxygen demand	mg/l
68921	Physical	pH, soil, in deionized water, standard units	USGS use and no use by EPA							 	pH	std units
68922	Physical	pH, soil, in 0.01 M calcium chloride, standard units	USGS use and no use by EPA							 	pH	std units
68923	Physical	Loss on ignition, soil, dry, heated to 450C, percent	USGS use and no use by EPA			Dry			450 deg C	 	 	%
70224	Physical	Wave height, nearshore, feet	Not checked							 	Wave height	ft
70227	Physical	Direction of stream flow, magnetic azimuth, degrees	Agree							 	 	Deg
70292	Physical	Suspended solids, evaporation by vacuum desiccation at room temperature, water, milligrams per liter	Not checked			Dry		Suspended	Room temp	 	 	mg/l
70293	Physical	Suspended solids, dried at 105 degrees Celsius, water, milligrams per liter	Not checked			Dry		Suspended	105 deg C	 	Total suspended solids	mg/l
70299	Physical	Suspended solids dried at 110 degrees Celsius, water, unfiltered, milligrams per liter	Not agree					Suspended	110 deg C	 	Total suspended solids	mg/l
70300	Physical	Dissolved solids dried at 180 degrees Celsius, water, filtered, milligrams per liter	Not checked					Dissolved	180 deg C	 	Total dissolved solids	mg/l
70301	Physical	Dissolved solids, water, filtered, sum of constituents, milligrams per liter	Not checked					Dissolved		 	Total dissolved solids	mg/l
70302	Physical	Dissolved solids, water, short tons per day	Not checked					Dissolved		 	Total dissolved solids	tons/day
70303	Physical	Dissolved solids, water, filtered, short tons per acre-foot	Not checked					Dissolved		 	Total dissolved solids	tons/ac ft
70305	Physical	Salinity, water, grams per liter	Agree					Dissolved		 	Salinity	g/l
70310	Physical	pH, bed sediment, standard units	Agree					Bed Sediment		 	pH	std units
70320	Physical	Moisture content, fraction of wet weight, percent	Agree			Wet				 	Moisture content	%
70348	Physical	Settleable solids, water, unfiltered, milliliters per liter	Agree					Settleable		 	Settleable solids	ml/l
70349	Physical	Non-settleable solids, water, unfiltered, milliliters per liter	Not checked					Non-settleable		 	Non-settleable solids	ml/l
70516	Physical	Color, absorbance at 400 nm, water, filtered, absorbance units per centimeter	USGS use and no use by EPA					Dissolved		 	Color	AU/cm
70971	Physical	Light attenuation coefficient, alphas per meter	Agree							 	 	alpha/m
71820	Physical	Density of water sample, unfiltered, grams per milliliter at 20 degrees Celsius	Not checked					Total	20 deg C	 	Density of water at 20 deg C	g/mL @ 20C
71835	Physical	Oxygen consumed, water, filtered, milligrams per liter	Agree					Dissolved		 	 	mg/l
71840	Physical	Oxygen consumed, water, unfiltered, milligrams per liter	Agree					Total		 	 	mg/l
71860	Physical	Sodium carbonate, residual, water, unfiltered, milligrams per liter as calcium carbonate	Not checked					Total		497-19-8	Sodium carbonate	mg/l CaCO3
72001	Physical	Depth of hole, feet below land surface datum	Agree							 	Depth	ft
72002	Physical	Depth to top of water-bearing zone, feet	Agree							 	 	ft
72003	Physical	Depth to bottom of water-bearing zone, feet	Agree							 	 	ft
72008	Physical	Depth of well, feet below land surface datum	Agree							 	Depth	ft
72010	Physical	Fluid resistivity, ohm-meter(s)	Agree							 	 	ohm-meters
72012	Physical	Temperature, specific gravity measurement, degrees Celsius	Agree							 	 	deg C
72013	Physical	Specific gravity	Agree							 	Specific gravity	None
72014	Physical	Temperature, resistivity measurement, degrees Celsius	Agree							 	 	deg C
72015	Physical	Depth to top of sample interval, feet below land surface datum	Agree							 	 	ft
72016	Physical	Depth to bottom of sample interval, feet below land surface datum	Agree							 	 	ft
72019	Physical	Depth to water level, feet below land surface	Agree							 	Depth to water level below land surface	ft
72020	Physical	Elevation above NGVD 1929, feet	Not checked							 	 	ft
72021	Physical	Reservoir storage, cubic feet per second-days	Agree	Mean	1 Day					 	Reservoir storage	cfs-days
72022	Physical	Reservoir storage, million gallons	Agree							 	Reservoir storage	Mgal
72024	Physical	Pond storage, gallons	Agree							 	 	gal
72025	Physical	Depth of reservoir, feet	Agree							 	Depth of pond or reservoir in feet	ft
72040	Physical	Drawdown observed, feet	Agree							 	 	ft
72106	Physical	Elevation of sample, feet	Agree							 	 	ft
72122	Physical	Discharge, median for storm event, cubic feet per second	USGS use and no use by EPA	Median	1 Day					 	 	ft3/s
72123	Physical	Discharge, mean for storm event, cubic feet per second	USGS use and no use by EPA	Mean	1 Day					 	 	ft3/s
72124	Physical	Net radiation (net solar + net long wave radiation), watts per square meter	USGS use and no use by EPA							 	 	W/m2
72125	Physical	Atmospheric water vapor pressure, calculated, kilopascals	USGS use and no use by EPA					Vapor		 	 	kPa
72127	Physical	Atmospheric saturated water vapor pressure, calculated, kilopascals	USGS use and no use by EPA					Vapor		 	 	kPa
72128	Physical	Potential latent heat flux, calculated by Penman method, watts per square meter	USGS use and no use by EPA							 	 	W/m2
72129	Physical	Potential evapotranspiration (PET), calculated by Priestley-Taylor method, millimeters per hour	USGS use and no use by EPA							 	 	mm/hr
72130	Physical	Potential evapotranspiration (PET), calculated by Penman method, millimeters per hour	USGS use and no use by EPA							 	 	mm/hr
72131	Physical	Precipitation, millimeters per hour	USGS use and no use by EPA							 	Precipitation	mm/hr
72132	Physical	Soil heat flux at soil surface, calculated, watts per square meter	USGS use and no use by EPA							 	 	W/m2
72133	Physical	Soil water matric potential, negative bars	USGS use and no use by EPA							 	 	neg bar
72134	Physical	Change in heat flux density between 8 centimeter soil depth and the surface, calculated, watts per square meter	USGS use and no use by EPA							 	 	W/m2
72135	Physical	Evapotranspiration total, inches per day	USGS use and no use by EPA					Total		 	 	inches/day
72136	Physical	Hydrostatic head difference, groundwater minus surface water, millimeters	USGS use and no use by EPA							 	 	mm
72137	Physical	Discharge, tidally filtered, cubic feet per second	USGS use and no use by EPA	Mean	1 Day			Dissolved		 	 	ft3/s
72138	Physical	Discharge, tidally filtered, cubic meters per second	USGS use and no use by EPA	Mean	1 Day			Dissolved		 	 	m3/sec
72139	Physical	Discharge, tidally filtered, gallons per minute	USGS use and no use by EPA					Dissolved		 	 	gal/min
72149	Physical	Stream velocity, meters per second	USGS use and no use by EPA							 	Stream velocity	m/sec
72150	Physical	Groundwater level relative to Mean Sea Level (MSL), feet	USGS use and no use by EPA							 	 	ft
72151	Physical	Water column pressure, pounds per square inch	USGS use and no use by EPA							 	 	psi
72159	Physical	Evapotranspiration, millimeters per day	USGS use and no use by EPA							 	 	mm/d
72164	Physical	Barometric pressure (BP), uncorrected, feet of water	USGS use and no use by EPA							 	 	ft of H2O
72167	Physical	Matric potential or pressure head, centimeters	USGS use and no use by EPA							 	 	cm
72168	Physical	Stream velocity, tidally filtered, feet per second	USGS use and no use by EPA							 	 	ft/sec
72169	Physical	Stream velocity, tidally filtered, meters per second	USGS use and no use by EPA							 	 	m/s
72170	Physical	Stage, tidally filtered, above datum, feet	USGS use and no use by EPA							 	 	ft
72171	Physical	Stage, tidally filtered, above datum, meters	USGS use and no use by EPA							 	 	meters
72172	Physical	Wave height, Fourier transformation, feet	Not checked							 	 	ft
72173	Physical	Wave period, Fourier transformation, seconds	Not checked							 	 	seconds
72174	Physical	Longwave radiation, upward intensity, watts per square meter	Not checked							 	 	W/m2
72175	Physical	Longwave radiation, downward intensity, watts per square meter	Not checked							 	 	W/m2
72177	Physical	Groundwater discharge, centimeters per day	Not checked							 	 	cm/d
72178	Physical	Water depth, water surface to bottom, meters	Not checked							 	 	meters
72179	Physical	Shortwave solar radiation, watts per square meter	Not checked							 	 	W/m2
72180	Physical	Evapotranspiration, inches	Not checked							 	 	inches
72181	Physical	Moisture content, soil, volumetric, fraction of total volume	Not checked							 	 	number
72182	Physical	Atmospheric water vapor density, grams per cubic meter	Not checked							 	 	g/m3
72183	Physical	Inflow, gallons per day	Not checked							 	 	gal/day
72184	Physical	Visible radiation (average flux density), microeinsteins per second per square meter	Not checked							 	 	uE/m2/sec
72185	Physical	Shortwave radiation, upward intensity, watts per square meter	Not checked							 	 	W/m2
72186	Physical	Shortwave radiation, downward intensity, watts per square meter	Not checked							 	 	W/m2
72187	Physical	Transparency, water, in situ, Secchi disc observed with viewscope, inches	Not checked							 	 	in
72188	Physical	Turbidity, water, unfiltered, field, broad band light source (400-680 nm), detectors at multiple angles including 90 +-30 degrees, ratiometric correction, nephelometric	Not checked							 	 	NTRU
72189	Physical	Snow depth, meters	Not checked							 	Depth, snow cover	m
72190	Physical	Velocity at point in stream, meters per second	Not checked							 	 	m/sec
72192	Physical	Precipitation, cumulative, inches	Not checked							 	Precipitation	in
72193	Physical	Net radiation (net solar + net long wave radiation), upward intensity, watts per square meter	Not checked							 	 	W/m2
72194	Physical	Precipitation, cumulative, millimeters	Not checked							 	Precipitation	mm
72198	Physical	Snow depth, feet	Not checked							 	 	ft
72199	Physical	Water depth, water surface to bottom, feet	Not checked							 	Depth of water column	ft
72200	Physical	Evaporation per recording interval, millimeters	Not checked							 	 	mm
72201	Physical	Net incident shortwave radiation, watts per square meter	Not checked							 	 	W/m2
72202	Physical	Net emitted longwave radiation, watts per square meter	Not checked							 	 	W/m2
72204	Physical	Barometric pressure (BP), uncorrected, pounds per square inch	Not checked							 	 	psi
72205	Physical	Bulk electrical conductance, soil, decisiemens per meter	Not checked					Total		 	 	dS/m
72206	Physical	Sublimation from snowpack per recording interval, millimeters	Not checked							 	 	mm
72207	Physical	Albedo (ratio of reflected to total incoming solar radiation), ratio	Not checked							 	 	None
72208	Physical	Turbidity, water, unfiltered, mid-depth of water column, broad band light source (400-680 nm), detection angle 90 +-30 degrees to incident light, nephelometric turbidity	Not checked					Total		 	 	NTU
72209	Physical	Turbidity, water, unfiltered, mid-depth of water column, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units	Not checked					Total		 	Turbidity	FNU
72211	Physical	Density of water sample, deionized and deaired, at specific gravity test-temperature, grams per cubic centimeter	Not checked					Total		 	 	g/cm3
72212	Physical	Porosity, soil or solids, fraction	Not checked							 	 	None
72213	Physical	Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detector angles at 90 +-2.5 degrees and 0-45 degrees, ratiometric, FBRU	Not checked					Total		 	 	FBRU
72214	Physical	Lake or reservoir elevation above International Great Lakes Datum (IGLD), feet	Not checked							 	 	ft
72215	Physical	Lake or reservoir elevation above International Great Lakes Datum (IGLD), meters	Not checked							 	 	m
72216	Physical	Location of salt front in river miles upstream from mouth, miles	Not checked							 	 	mi
72223	Physical	Soil water matric potential, bars	Not checked							 	 	bar
72224	Physical	Extinction reference absorbance, absorbance units per centimeter	Not checked							 	 	AU/cm
72225	Physical	Extinction measurement absorbance, absorbance units per centimeter	Not checked							 	 	AU/cm
72226	Physical	Groundwater level above American Samoa Datum of 1962 (retired in 2001), feet	Not checked							 	 	ft
72227	Physical	Groundwater level above American Samoa Vertical Datum of 2002, feet	Not checked							 	 	ft
72228	Physical	Groundwater level above Guam Vertical Datum of 1963 (retired in 2003), feet	Not checked							 	 	ft
72229	Physical	Groundwater level above Guam Vertical Datum of 2004, feet	Not checked							 	 	ft
72230	Physical	Groundwater level above Local Hawaiian Datum, feet	Not checked							 	 	ft
72231	Physical	Groundwater level above Northern Marianas Vertical Datum of 2003, feet	Not checked							 	 	ft
72232	Physical	Groundwater level above Puerto Rico Datum of 2002, feet	Not checked							 	 	ft
72241	Physical	Absolute pressure from unvented pressure transducer, millimeters of mercury	Not checked							 	 	mm/Hg
72242	Physical	Tree sap flow, grams of sap per hour	Not checked							 	 	g/hr
72243	Physical	Discharge, cubic feet per day	Not checked							 	 	ft3/day
72250	Physical	Marsh mat (floating vegetation) elevation above NAVD 1988, feet	Not checked							 	 	ft
72251	Physical	Water level above marsh, feet	Not checked							 	 	ft
72252	Physical	Solar radiation (average flux density on a horizontal surface during measurement interval), kilowatts per square meter	Not checked							 	 	kW/m2
72253	Physical	Soil temperature, degrees Celsius	Not checked							 	 	deg C
72263	Physical	Density of water sample, unfiltered, in grams per cubic centimeter at 20 degrees Celsius	Not checked					Total	20 deg C	 	 	g/cm3
72264	Physical	Lake or reservoir elevation above New York State Barge Canal Datum (NYBCD), feet	Not checked							 	 	ft
72265	Physical	Lake or reservoir elevation above New York State Barge Canal Datum (NYBCD), meters	Not checked							 	 	m
72266	Physical	Refractive index of fluid (real value) for laser diffraction diameter measurement	Not checked							 	 	None
72267	Physical	Refractive index of sample material (real value part) for laser diffraction diameter measurement	Not checked							 	 	None
72268	Physical	Refractive index of sample material (imaginary value part) for laser diffraction diameter measurement	Not checked							 	 	None
72269	Physical	Wind gust speed, air, meters per second	Not checked							 	 	m/sec
72270	Physical	Volume of water, total during measurement interval, liters	Not checked							 	 	l
72272	Physical	Discharge, cumulative, acre-feet	Not checked							 	 	ac-ft
72274	Physical	Scour hole bottom elevation above NGVD 1929, feet	Not checked							 	 	ft
72275	Physical	Lake or reservoir elevation above United States Bureau of Reclamation Klamath Basin (USBRKB) Datum, feet	Not checked							 	 	ft
72276	Physical	Tidal water level, NOS-averaged, distance from measuring point to water surface, feet	Not checked							 	 	ft
72279	Physical	Tidal elevation, NOS-averaged, NAVD88, feet	Not checked							 	 	ft
72284	Physical	Mean wave height, meters	Not checked							 	 	m
72285	Physical	Mean wave period, seconds	Not checked							 	 	seconds
72286	Physical	Significant wave height, meters	Not checked							 	 	m
72287	Physical	Significant wave period, seconds	Not checked							 	 	seconds
72288	Physical	Maximum wave height, meters	Not checked							 	 	m
72289	Physical	Mean wave direction, degrees	Not checked							 	 	Deg
72290	Physical	Peak wave direction, degrees	Not checked							 	 	Deg
72291	Physical	Precipitation, intensity at given time, inches per minute	Not checked							 	 	in/min
72292	Physical	Water level elevation above NAVD 1988, corrected for barometric pressure, feet	Not checked							 	 	ft
72293	Physical	Water level elevation above gage datum, corrected for barometric pressure, feet	Not checked							 	 	ft
72294	Physical	Mean water velocity for discharge computation, miles per hour	Not checked							 	 	mph
72321	Physical	Stream velocity, miles per hour	Not checked							 	 	mph
72322	Physical	Surface velocity at point in stream, feet per second	Not checked							 	 	ft/sec
72323	Physical	Surface velocity at point in stream, meters per second	Not checked							 	 	m/sec
72324	Physical	Radar amplitude, dimensionless	Not checked							 	 	none
72325	Physical	Radar signal to noise quality assurance parameter, decibels	Not checked							 	 	dB
72326	Physical	Opposite direction content quality assurance parameter, percent	Not checked							 	 	%
74019	Physical	Flashpoint of potentially organically contaminated water, degrees Fahrenheit	Not checked							 	 	deg F
74072	Physical	Flow rate, liters per second	Agree							 	 	l/sec
74082	Physical	Streamflow, daily, acre-feet	Agree		Daily					 	 	ac-ft
74207	Physical	Moisture content, soil, volumetric, percent of total volume	Agree					Total		 	Moisture content	%
75969	Physical	Barometric pressure, not corrected to sea level, millibars	Agree							 	Barometric pressure	mbar
80082	Physical	Carbonaceous biochemical oxygen demand, water, unfiltered, 5 days at 20 degrees Celsius, milligrams per liter	Not checked		5 Day			Total	20 deg C	 	Carbonaceous biochemical oxygen demand, standard conditions	mg/l
80083	Physical	Carbonaceous biochemical oxygen demand, water, unfiltered, 7 days at 20 degrees Celsius, milligrams per liter	Not checked		7 Day			Total	20 deg C	 	Carbonaceous biochemical oxygen demand, non-standard conditions	mg/l
80087	Physical	Carbonaceous biochemical oxygen demand, water, unfiltered, 20 days at 20 degrees Celsius, milligrams per liter	Not checked		20 Day			Total	20 deg C	 	Carbonaceous biochemical oxygen demand, non-standard conditions	mg/l
80110	Physical	Specific gravity at 4 degrees Celsius, water, unfiltered, ratio	Agree					Total	4 deg C	 	 	None
81026	Physical	Water content of snow, inches	Agree							 	Water content of snow	in
81027	Physical	Temperature, soil, degrees Celsius	Agree					Total		 	Temperature, soil	deg C
81029	Physical	Temperature, snow, degrees Celsius	Agree							 	 	deg C
81356	Physical	Cation exchange capacity, milliequivalents per 100 grams	Agree							 	Cation exchange capacity	meq/100 g
81380	Physical	Discharge velocity, meters per second	Agree							 	Velocity-discharge	m/sec
81381	Physical	Discharge duration, minutes	Agree							 	 	minutes
81395	Physical	Storm water flow, million gallons per day	Agree							 	Storm water flow	mgd
81798	Physical	Precipitation event, inches per composite	Agree							 	Precipitation	in
81903	Physical	Depth to bottom at sample location, feet	Agree							 	Depth	ft
81904	Physical	Velocity at point in stream, feet per second	Agree							 	Velocity - stream	ft/sec
81912	Physical	Open pressure, pounds per square inch	Agree							 	 	psi
81914	Physical	Initial flowing pressure, pounds per square inch	Agree							 	 	psi
81915	Physical	Final flowing pressure, pounds per square inch	Agree							 	 	psi
81916	Physical	Pressure at bottom of hole, pounds per square inch	Agree							 	 	psi
81917	Physical	Temperature at bottom of hole, degrees Fahrenheit	Agree							 	 	deg F
82015	Physical	Mean depth of lake, feet	Agree	Mean						 	Depth	ft
82016	Physical	Maximum depth of lake, feet	Agree	Maximum						 	Depth	ft
82047	Physical	Depth to top of sampling interval, meters	Agree							 	 	m
82048	Physical	Depth to bottom of sampling interval, meters	Agree							 	 	m
82049	Physical	Deoxygenation constant (k1 to base 10), carbonaceous biochemical oxygen demand, water, unfiltered, 20 degrees Celsius, per day	Not checked					Total	20 deg C	 	 	20C/day
82050	Physical	Reoxygenation constant (k2 to base 10), carbonaceous biochemical oxygen demand, water, unfiltered, 20 degrees Celsius, per day	Not checked					Total	20 deg C	 	 	20C/day
82079	Physical	Turbidity, water, unfiltered, laboratory, nephelometric turbidity units	Agree					Total		 	Turbidity	NTU
82127	Physical	Wind speed, knots	Agree							 	Wind velocity	knots
82130	Physical	Ice thickness, feet	Agree							 	Ice thickness	ft
82131	Physical	Ice thickness, meters	Agree							 	Ice thickness	m
82132	Physical	Deoxygenation constant (k1 to base e), nitrogenous biochemical oxygen demand, water, unfiltered, 20 degrees Celsius, per day	Not checked					Total	20 deg C	 	 	20C/day
82133	Physical	Deoxygenation constant (k1 to base e), carbonaceous biochemical oxygen demand, water, unfiltered, 20 degrees Celsius, per day	Not checked					Total	20 deg C	 	 	20C/day
82134	Physical	Deoxygenation constant (k1 to base 10), nitrogenous biochemical oxygen demand, water, unfiltered, 20 degrees Celsius, per day	Not checked					Total	20 deg C	 	 	20C/day
82135	Physical	Reaction lag time, carbonaceous biochemical oxygen demand, water, unfiltered, 20 degrees Celsius, days	Not checked					Total	20 deg C	 	 	days
82136	Physical	Reaction lag time, nitrogenous biochemical oxygen demand, water, unfiltered, 20 degrees Celsius, days	Not checked					Total	20 deg C	 	 	days
82137	Physical	Reaction lag time, biochemical oxygen demand, water, unfiltered, 20 degrees Celsius, days	Not checked					Total	20 deg C	 	 	days
82259	Physical	Street debris smaller than 0.031 millimeters, sieve diameter, percent	Agree				< 0.031 mm			 	 	%
82260	Physical	Street debris smaller than 0.0625, millimeters, sieve diameter, percent	Agree				< 0.0625 mm			 	 	%
82261	Physical	Street debris smaller than 0.125 millimeters, sieve diameter, percent	Agree				< 0.125 mm			 	 	%
82262	Physical	Street debris smaller than 0.25 millimeters, sieve diameter, percent	Agree				< 0.25 mm			 	 	%
82263	Physical	Street debris smaller than 0.5 millimeters, sieve diameter, percent	Agree				< 0.5 mm			 	 	%
82264	Physical	Street debris smaller than 1 millimeter, sieve diameter, percent	Agree				< 1 mm			 	 	%
82265	Physical	Street debris smaller than 2 millimeters, sieve diameter, percent	Agree				< 2 mm			 	 	%
82266	Physical	Street debris smaller than 4 millimeters, sieve diameter, percent	Agree				< 4 mm			 	 	%
82285	Physical	Rate of dry deposition, milligrams per square meter per day	Agree							 	 	mg/m2/day
82286	Physical	Solids in rainfall, dry weight, milligrams per liter	Agree			Dry				 	 	mg/l
82300	Physical	Snow depth, inches	Agree							 	Depth, snow cover	in
82363	Physical	Dry deposition, milligrams per square meter	Agree							 	 	mg/m2
82371	Physical	Precipitation within 3 days before sample collection, inches	Agree		3 Day					 	Precipitation	in
82372	Physical	Precipitation within 14 days before sample collection, inches	Agree		14 Day					 	Precipitation	in
82375	Physical	Solids, total, accumulation rate, dry weight, grams per square meter per day	Agree			Dry		Total		 	Total solids	g/m2/day
82379	Physical	Street solids load removed by sweeping, pounds per curb-mile	Agree							 	 	lb/curb-mi
82380	Physical	Street solids total dry weight, pounds per curb-mile	Agree			Dry		Total		 	 	lb/curb-mi
82381	Physical	Precipitation total, inches per storm	Agree					Total		 	Precipitation	in
82463	Physical	Total solids dried at 105 degrees Celsius, dry atmospheric deposition, milligrams per kilogram	Not checked					Total	105 deg C	 	Total solids	mg/kg
82464	Physical	Insoluble solids dried at 105 degrees Celsius, dry atmospheric deposition, milligrams per kilogram	Not checked						105 deg C	 	 	mg/kg
82465	Physical	Soluble solids dried at 105 degrees Celsius, dry atmospheric deposition, milligrams per kilogram	Not checked						105 deg C	 	 	mg/kg
82466	Physical	Total solids, dry atmospheric deposition, sum of constituents, milligrams per kilogram	Agree					Total		 	Total solids	mg/kg
82467	Physical	Insoluble solids, dry atmospheric deposition, sum of constituents, milligrams per kilogram	Agree							 	 	mg/kg
82468	Physical	Soluble solids, dry atmospheric deposition, sum of constituents, milligrams per kilogram	Agree							 	 	mg/kg
82550	Physical	Osmotic pressure, water, unfiltered, milliosmoles per kilogram	Agree					Total		 	Osmotic pressure	mosm/kg
82583	Physical	pH, soil, standard units	Agree					Total		 	pH	std units
82903	Physical	Depth to bottom from water surface, at sampling location, meters	Agree							 	Depth	m
82923	Physical	Atmospheric deposition type, wet, code	Agree							 	 	code
83104	Physical	pH, wet atmospheric deposition, unfiltered, calculated, standard units	Agree					Total		 	pH	std units
83106	Physical	pH, wet atmospheric deposition, unfiltered, field, standard units	Agree					Total		 	pH	std units
83107	Physical	pH, wet atmospheric deposition, unfiltered, lab, standard units	Agree					Total		 	pH	std units
83150	Physical	Specific conductance, wet atmospheric deposition, filtered, calculated, microsiemens per centimeter at 25 degrees Celsius	Agree					Dissolved	25 deg C	 	Specific conductance	uS/cm @25C
83151	Physical	Specific conductance, wet atmospheric deposition, unfiltered, calculated, microsiemens per centimeter at 25 degrees Celsius	Agree					Total	25 deg C	 	Specific conductance	uS/cm @25C
83153	Physical	Specific conductance, wet atmospheric deposition, filtered, field, microsiemens per centimeter at 25 degrees Celsius	Agree					Dissolved	25 deg C	 	Specific conductance	uS/cm @25C
83154	Physical	Specific conductance, wet atmospheric deposition, unfiltered, field, microsiemens per centimeter at 25 degrees Celsius	Agree					Total	25 deg C	 	Specific conductance	uS/cm @25C
83155	Physical	Specific conductance, wet atmospheric deposition, filtered, laboratory, microsiemens per centimeter at 25 degrees Celsius	Agree					Dissolved	25 deg C	 	Specific conductance	uS/cm @25C
83156	Physical	Specific conductance, wet atmospheric deposition, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius	Agree					Total	25 deg C	 	Specific conductance	uS/cm @25C
83177	Physical	Atmospheric deposition, wet, liters	Agree							 	Atmospheric deposition, wet fall	l
83205	Physical	Atmospheric deposition type, bulk, code	Agree							 	 	code
83386	Physical	pH, bulk atmospheric deposition, unfiltered, calculated, standard units	Agree					Total		 	pH	std units
83388	Physical	pH, bulk atmospheric deposition, unfiltered, field, standard units	Agree					Total		 	pH	std units
83389	Physical	pH, bulk atmospheric deposition, unfiltered, laboratory, standard units	Agree					Total		 	pH	std units
83432	Physical	Specific conductance, bulk atmospheric deposition, filtered, calculated, microsiemens per centimeter at 25 degrees Celsius	Agree					Dissolved	25 deg C	 	Specific conductance	uS/cm @25C
83433	Physical	Specific conductance, bulk atmospheric deposition, unfiltered, calculated, microsiemens per centimeter at 25 degrees Celsius	Agree					Total	25 deg C	 	Specific conductance	uS/cm @25C
83435	Physical	Specific conductance, bulk atmospheric deposition, filtered, field, microsiemens per centimeter at 25 degrees Celsius	Agree					Dissolved	25 deg C	 	Specific conductance	uS/cm @25C
83436	Physical	Specific conductance, bulk atmospheric deposition, unfiltered, field, microsiemens per centimeter at 25 degrees Celsius	Agree					Total	25 deg C	 	Specific conductance	uS/cm @25C
83437	Physical	Specific conductance, bulk atmospheric deposition, filtered, laboratory, microsiemens per centimeter at 25 degrees Celsius	Agree					Dissolved	25 deg C	 	Specific conductance	uS/cm @25C
83438	Physical	Specific conductance, bulk atmospheric deposition, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius	Agree					Total	25 deg C	 	Specific conductance	uS/cm @25C
83459	Physical	Atmospheric deposition, bulk, liters	Agree					Total		 	 	l
84179	Physical	Ignitability, bed sediment, dry, yes or no, code	Not checked							 	 	code
84180	Physical	Soil horizon (U.S. Dept. of Agriculture Soil Conservation Service, Soil Survey Manual, 1993), code	Not checked							 	 	code
85310	Physical	Depth of lake, maximum, meters	Not checked	Maximum						 	Depth	m
85311	Physical	Depth of lake, mean, meters	Not checked	Mean						 	Depth	m
85328	Physical	Depth to 1 percent of surface light, meters	Not checked							 	Light attenuation, depth at 99%	m
85540	Physical	Air, water, dissolved, volume percent of dissolved gases	Agree					Dissolved		132259-10-0	 	%
85541	Physical	Inert gases, water, dissolved, volume percent of dissolved gases	Agree					Dissolved		 	Inert gases	%
85555	Physical	Gas/water ratio, cubic feet per barrel	Agree							 	 	ft3/barrel
85557	Physical	Temperature, low saturation, degrees Celsius	Agree							 	 	deg C
85558	Physical	Temperature, high saturation, degrees Celsius	Agree							 	 	deg C
85559	Physical	Pressure, low saturation, pounds per square inch	Agree							 	 	psi
85560	Physical	Pressure, high saturation, pounds per square inch	Agree							 	 	psi
85583	Physical	Temperature, intragravel water, degrees Celsius	Agree							 	Temperature, water	deg C
85588	Physical	Gross heating value of dissolved hydrocarbons, dry, calculated, British thermal units per cubic foot at 60 degrees Fahrenheit and 14.73 pounds per square inch absolute	Not checked							 	 	Btu/ft3
85599	Physical	Rainfall, total for defined period, centimeters	Not checked					Total		 	 	cm/sample
85822	Physical	Moisture content, biota, tissue, wet weight, percent of total weight	Agree			Wet		Total		 	Moisture content	%
90010	Physical	Temperature, area-weighted-average, degrees Celsius	USGS use and no use by EPA							 	 	deg C
90034	Physical	Depth to 1 percent of surface light, cross section average, feet	USGS use and no use by EPA							 	 	ft
90077	Physical	Transparency, water, in situ, Secchi disc, cross section average, inches	USGS use and no use by EPA							 	Water transparency, Secchi disc	in
90094	Physical	Specific conductance, water, unfiltered, area weighted average, microsiemens per centimeter at 25 degrees Celsius	USGS use and no use by EPA					Total	25 deg C	 	Specific conductance	uS/cm @25C
90095	Physical	Specific conductance, water, unfiltered, laboratory, microsiemens per centimeter at 25 degrees Celsius	USGS use and no use by EPA					Total	25 deg C	 	Specific conductance	uS/cm @25C
90096	Physical	Specific conductance, water, filtered, laboratory, microsiemens per centimeter at 25 degrees Celsius	Not checked					Dissolved		 	Specific conductance	uS/cm @25C
90198	Physical	Depth to 10 percent surface light, cross section average, feet	USGS use and no use by EPA							 	 	ft
90199	Physical	Depth to 50 percent surface light, cross section average, feet	USGS use and no use by EPA							 	Light attenuation, depth at 50%	ft
90200	Physical	Incident light intensity, 400-700 nanometers, cross-sectional average, microeinsteins per square meter per second	USGS use and no use by EPA							 	 	uE/m2/sec
90400	Physical	pH, water, area weighted average, standard units	USGS use and no use by EPA							 	pH	std units
90860	Physical	Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius	USGS use and no use by EPA					Total	25 deg C	 	Salinity	PSS
90862	Physical	Salinity, water, unfiltered, Practical Salinity Scale	Not checked					Total		 	Salinity	PSS
91011	Physical	Solids settleable in 15 minutes, water, unfiltered, milliliters per liter	USGS use and no use by EPA		15 Minutes			Settleable		 	Settleable solids	ml/l
91016	Physical	Biochemical oxygen demand, water, unfiltered, 5 days at 20 degrees Celsius, short tons per day	USGS use and no use by EPA		5 Day			Total	20 deg C	 	Biochemical oxygen demand, standard conditions	tons/day
91017	Physical	Suspended solids dried at 110 degrees Celsius, water, unfiltered, short tons per day	USGS use and no use by EPA					Suspended	110 deg C	 	Total suspended solids	tons/day
91055	Physical	Suspended solids dried at 105 degrees Celsius, water, unfiltered, short tons per day	USGS use and no use by EPA					Suspended	105 deg C	 	Total suspended solids	tons/day
91056	Physical	Loss on ignition of suspended solids, water, unfiltered, short tons per day	USGS use and no use by EPA					Suspended		 	Volatile Suspended Solids	tons/day
91146	Physical	Pump rate, gallons per minute	Not checked							 	 	gal/min
91155	Physical	Moisture content, bed sediment smaller than 63 microns, wet sieved (native water), recoverable, dry weight, percent	Not checked			Dry	< 0.063	Bed Sediment		 	 	%
91156	Physical	Moisture content, bed sediment, dry weight, percent	Not checked			Dry		Bed Sediment		 	 	%
95202	Physical	Phycocyanin fluorescence (fPC), water, in situ, cells per milliliter	USGS use and no use by EPA							 	 	#/ml
95902	Physical	Noncarbonate hardness, water, milligrams per liter as calcium carbonate	USGS use and no use by EPA							 	Hardness, non-carbonate	mg/l CaCO3
99019	Physical	Water level, depth below land surface, meters	USGS use and no use by EPA							 	Depth, from ground surface to well water level	m
99020	Physical	Elevation above NGVD 1929, meters	USGS use and no use by EPA							 	 	m
99060	Physical	Discharge, cubic meters per second	USGS use and no use by EPA	Mean	1 Day					 	 	m3/sec
99061	Physical	Discharge, instantaneous, cubic meters per second	USGS use and no use by EPA							 	Stream flow, instantaneous	m3/sec
99064	Physical	Water surface elevation difference between two locations, feet	Not checked							 	 	ft
99065	Physical	Gage height, above datum, meters	USGS use and no use by EPA							 	Gage height	m
99066	Physical	Hyporheic flux of water from groundwater to surface water, milliliters per square centimeter per day	USGS use and no use by EPA							 	 	ml/cm2/day
99067	Physical	Difference between observed and predicted water surface elevation, feet	Not checked							 	 	ft
99227	Physical	Primary water level, Aquatrak, distance from measuring point to water surface, meters	USGS use and no use by EPA							 	 	m
99231	Physical	Electrical resistance, ohms	USGS use and no use by EPA							 	 	ohms
99232	Physical	Volumetric soil moisture content period, for internal control of sensor, milliseconds	USGS use and no use by EPA							 	 	ms
99243	Physical	Distance to snow surface from sensor, centimeters	Not checked							 	 	cm
99401	Physical	Dissolved solids, water, filtered, estimated by regression equation, milligrams per liter	USGS use and no use by EPA					Dissolved		 	Total dissolved solids	mg/l
99402	Physical	Suspended solids, water, unfiltered, estimated by regression equation, milligrams per liter	USGS use and no use by EPA					Suspended		 	Total suspended solids	mg/l
99403	Physical	Total solids, water, unfiltered, estimated by regression equation, milligrams per liter	USGS use and no use by EPA					Total		 	Total solids	mg/l
99433	Physical	Dissolved solids, water, filtered, lake-volume weighted, milligrams per liter	Not checked					Dissolved		 	 	mg/l
99434	Physical	Dissolved solids, in entire lake, short tons	Not checked					Dissolved		 	 	tons
99772	Physical	Precipitation, millimeters	USGS use and no use by EPA							 	Precipitation	mm
99872	Physical	Turbidity, water, unfiltered, laboratory, Hach 2100AN, nephelometric turbidity units	USGS use and no use by EPA					Total		 	Turbidity	NTU
99974	Physical	Specific conductance, 1 meter below water surface, microsiemens per centimeter at 25 degrees Celsius	USGS use and no use by EPA						25 deg C	 	Specific conductance	uS/cm @25C
99975	Physical	pH, 1 meter below water surface, standard units	USGS use and no use by EPA							 	pH	std units
99976	Physical	Temperature, 1 meter below water surface, degrees Celsius	USGS use and no use by EPA							 	Temperature, water	deg C
99978	Physical	Specific conductance, water, 1 meter above bottom, microsiemens per centimeter at 25 degrees Celsius	USGS use and no use by EPA						25 deg C	 	Specific conductance	uS/cm @25C
99979	Physical	pH, water, 1 meter above bottom, standard units	USGS use and no use by EPA							 	pH	std units
99980	Physical	Temperature, water, 1 meter above bottom, degrees Celsius	USGS use and no use by EPA							 	Temperature, water	deg C
99982	Physical	Specific conductance, water, mid-depth of water column, microsiemens per centimeter at 25 degrees Celsius	USGS use and no use by EPA						25 deg C	 	Specific conductance	uS/cm @25C
99983	Physical	pH, water, mid-depth of water column, standard units	USGS use and no use by EPA							 	pH	std units
99984	Physical	Temperature, water, mid-depth of water column, degrees Celsius	USGS use and no use by EPA							 	Temperature, water	deg C
99986	Physical	Solar radiation (average flux density on a horizontal surface during measurement interval), watts per square meter	USGS use and no use by EPA							 	Solar irradiation, local	W/m2
99987	Physical	Solar radiation (total flux density on a horizontal surface during measurement interval), megajoules per square meter	USGS use and no use by EPA					Total		 	 	MJ/m2
99988	Physical	Photosynthetically active radiation (average flux density on a horizontal surface during measurement interval), micromoles of photons per square meter per second	USGS use and no use by EPA							 	Light, photosynthetic active radiation (PAR)	umol/m2/s
99989	Physical	Photosynthetically active radiation (total flux density on a horizontal surface during measurement interval), millimoles of photons per square meter	USGS use and no use by EPA					Total		 	 	mmol/m2
99997	Physical	Photosynthetically active radiation (PAR) in water at the 1% light level, micromoles of photons per square meter per second	USGS use and no use by EPA							 	 	umol/m2/s