Parameter Groups
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# National Water Information System
# 2024/11/21
#
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# 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 15s 169s 26s 0s 7s 3s 0s 12s 10s 10s 25s 10s
31501 Microbiological Total coliforms, M-Endo MF method, immediate, water, colony forming units per 100 milliliters Not checked Total Total coliforms cfu/100ml
31503 Microbiological Total coliforms, M-Endo MF method, delayed, water, colonies per 100 milliliters Not checked Total Total coliforms cfu/100ml
31504 Microbiological Total coliforms, LES Endo method, immediate, water, colony forming units per 100 milliliters Not checked Total Total coliforms cfu/100ml
31505 Microbiological Total coliforms, brilliant green lactose broth method, confirmed, water, most probable number per 100 milliliters Not checked Total Total coliforms MPN/100 ml
31507 Microbiological Total coliforms, completed test, water, most probable number per 100 milliliters Not checked Total Total coliforms MPN/100 ml
31613 Microbiological Fecal coliforms, M-FC MF (0.7 micron) method, water, colonies per 100 milliliters Not checked Fecal coliforms cfu/100ml
31615 Microbiological Fecal coliforms, EC broth method, water, most probable number per 100 milliliters Not checked Fecal coliforms MPN/100 ml
31616 Microbiological Fecal coliforms, M-FC MF (0.45 micron) method, water, colony forming units per 100 milliliters Not checked Fecal coliforms cfu/100ml
31617 Microbiological Fecal coliforms, Eijkman test, 44.5 degrees Celsius, water, most probable number per 100 milliliters Not checked 44.5 deg C Fecal coliforms MPN/100 ml
31619 Microbiological Fecal coliforms, boric acid lactose broth, 43 degrees Celsius, water, most probable number per 100 milliliters Not checked 43 deg C Fecal coliforms MPN/100 ml
31621 Microbiological Fecal coliforms, A-1 broth method, 44.5 degrees Celsius, 24 hours, water, most probable number per 100 milliliters Agree 24 Hour 44.5 deg C Fecal coliforms MPN/100 ml
31625 Microbiological Fecal coliforms, M-FC MF (0.7 micron) method, water, colony forming units per 100 milliliters Agree Fecal coliforms cfu/100ml
31633 Microbiological Escherichia coli, m-TEC MF method, water, colony forming units per 100 milliliters Not checked 68583-22-2 Escherichia coli cfu/100ml
31648 Microbiological Escherichia coli, m-TEC MF method, water, colonies per 100 milliliters Agree 68583-22-2 Escherichia coli cfu/100ml
31649 Microbiological Enterococci, m-E MF method, water, colony forming units per 100 milliliters Agree Enterococci cfu/100ml
31673 Microbiological Fecal streptococci, KF streptococcus MF method, water, colony forming units per 100 milliliters Not checked Fecal Streptococcus cfu/100ml
31677 Microbiological Fecal streptococci, azide-dextrose-ethyl-violet azide broth method, water, most probable number per 100 milliliters Not checked Fecal Streptococcus MPN/100 ml
31678 Microbiological Fecal streptococci, azide-dextrose-ethyl-violet azide broth method, tube configuration, water, code Agree Fecal Streptococcus code
31679 Microbiological Fecal streptococci, m-Enterococcus MF method, water, colonies per 100 milliliters Not checked Fecal Streptococcus cfu/100ml
31681 Microbiological Salmonella, water, 0.45 micron filter method, most probable number per 100 milliliters USGS use and no use by EPA Salmonella MPN/100 ml
31682 Microbiological Escherichia coli O157, presumptive test, water, 0.45 micron filter method, presence or absence per 500 milliliters USGS use and no use by EPA PrsAbs0.5L
31683 Microbiological Escherichia coli O157, confirmed test, water, 0.45 micron filter, presence or absence per 500 milliliters USGS use and no use by EPA PrsAbs0.5L
31684 Microbiological Escherichia coli, MUG method, water, presence or absence in sample USGS use and no use by EPA 68583-22-2 Escherichia coli PrsAbs
31685 Microbiological Fecal coliforms, EC medium, 44.5 degrees Celsius, 24 hours, Standard Methods 9221E.1, water, most probable number per 100 milliliters USGS use and no use by EPA 24 Hour 44.5 deg C Fecal coliforms MPN/100 ml
31686 Microbiological Total coliforms, water, most probable number per 100 milliliters USGS use and no use by EPA Total Total coliforms MPN/100 ml
31687 Microbiological Fecal coliforms, water, most probable number per 100 milliliters USGS use and no use by EPA Fecal coliforms MPN/100 ml
31688 Microbiological Fecal streptococci, water, most probably number per 100 milliliters USGS use and no use by EPA MPN/100 ml
31689 Microbiological Escherichia coli, water, most probable number per 100 milliliters USGS use and no use by EPA 68583-22-2 Escherichia coli MPN/100 ml
31691 Microbiological Escherichia coli, water, colonies per 100 milliliters USGS use and no use by EPA 68583-22-2 Escherichia coli cfu/100ml
31692 Microbiological Heterotrophic plate count, water, colony forming units per milliliter USGS use and no use by EPA cfu/mL
31693 Microbiological Escherichia coli, water, m-ColiBlue method, colonies per 100 milliliters Not checked 68583-22-2 Escherichia coli cfu/100ml
31694 Microbiological Total coliforms, water, m-ColiBlue method, colonies per 100 milliliters Not checked Total Total coliforms cfu/100ml
31695 Microbiological Iron-related bacteria (IRB), water, biotester, colony forming units per milliliter Not checked Total cfu/mL
31696 Microbiological Iron-related bacteria (IRB)reaction pattern signature, biotester, water, code Not checked Total code
31697 Microbiological Sulfate-reducing bacteria (SRB), water, biotester, colony forming units per milliliter Not checked Total cfu/mL
31698 Microbiological Sulfate-reducing bacteria (SRB) reaction pattern signature, water, biotester, code Not checked Total code
31699 Microbiological Slime-forming bacteria (SFB) reaction pattern signature, water, biotester, code Not checked Total code
31700 Microbiological Slime-forming bacteria (SFB), water, biotester, colony forming units per milliliter Not checked Total cfu/mL
31701 Microbiological Giardia, water, PCR method, vortexed, detection/no detection Not checked Giardia None
31702 Microbiological Giardia, sediment, PCR method, vortexed, detection/no detection Not checked Giardia None
31703 Microbiological Cryptosporidium, water, PCR method, vortexed, detection/no detection Not checked Cryptosporidium None
31704 Microbiological Cryptosporidium, sediment, PCR method, vortexed, detection/no detection Not checked Cryptosporidium None
31705 Microbiological Legionella, water, PCR method, centrifuged, detection/no detection Not checked Legionella None
31706 Microbiological Legionella, sediment, PCR method, centrifuged, detection/no detection Not checked Legionella None
31707 Microbiological Avian influenza, H5 and H7, water, centrifuged, RT-PCR method, detection/no detection Not checked None
31708 Microbiological Avian influenza, H5 and H7, sediment, centrifuged, RT-PCR method, detection/no detection Not checked None
31709 Microbiological Avian influenza, H5 and H7, fecal swab, centrifuged, RT-PCR method, detection/no detection Not checked None
31711 Microbiological Campylobacter, water, PCR method, colony forming units per 100 milliliters Not checked cfu/100ml
31712 Microbiological Campylobacter, sediment, PCR method, wet weight, colony forming units per gram Not checked CFU/g
31713 Microbiological Human enterovirus, water, recoverable, copies per liter Not checked Recoverable cp/L
31714 Microbiological Human norovirus genogroup IA, water, recoverable, copies per liter Not checked Recoverable cp/L
31715 Microbiological Total culturable virus, water, most probable number per liter Not checked Total MPN/L
31716 Microbiological Enterococcus species, water, calibrator cell equivalents per 100 milliliters (CCE/100 mL) Not checked Total Enterococci CCE/100 mL
31717 Microbiological Nitrate-reducing bacteria, borehole cuttings, wet sieved, wet weight, most probable number per gram Not checked Wet Total MPN/g
31718 Microbiological Denitrifying bacteria, borehole cuttings, wet sieved, wet weight, most probable number per gram Not checked Wet Total MPN/g
31719 Microbiological Enterococci, fluorogenic substrate presence or absence method, water, presence or absence in 100 milliliters Not checked Total Enterococci PrsAbs0.1L
31732 Microbiological Aerobic endospores, water, colony forming units per 100 milliliters Not checked Total cfu/100ml
31734 Microbiological Shigella ipaH gene marker, water, 0.4 micro filter method, copies per 100 milliliter Not checked Recoverable cp/100 mL
31735 Microbiological Enterococcus faecium enterococcol surface protein (esp gene), water, 0.4 micro filter method, copies per 100 milliliter Not checked Recoverable cp/100 mL
31736 Microbiological Shigella ipaH gene marker, solids, DNA based, dry weight, copies per gram Not checked Dry Recoverable cp/g
31737 Microbiological Enterococcus faecium enterococcol surface protein (esp gene), solids, DNA based, dry weight, copies per gram Not checked Dry Recoverable cp/g
31738 Microbiological Human hepatitis A virus, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31739 Microbiological Rotavirus A (NSP3) virus, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31740 Microbiological Mycobacterium avium subspecies paratuberculosis, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31741 Microbiological Rotavirus C (VP6) virus, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31742 Microbiological Human Bacteroides bacteria, water, quantitative polymerase chain reaction (qPCR) method, copy numbers per 100 milliliters (cn/100 mL) Not checked Recoverable cn/100 mL
31743 Microbiological Human Lachnospiraceae bacteria, water, quantitative polymerase chain reaction (qPCR) method, copy numbers per 100 milliliters (cn/100 mL) Not checked Recoverable cn/100 mL
31744 Microbiological Bacteroidales species bacteria, water, quantitative polymerase chain reaction (qPCR) method, copy numbers per 100 milliliters (cn/100 mL) Not checked Recoverable cn/100 mL
31745 Microbiological Enterococci, water, quantitative polymerase chain reaction (qPCR) method, copy numbers per 100 milliliters (cn/100 mL) Not checked Recoverable Enterococci cn/100 mL
31746 Microbiological Ruminant Bacteroides, water, quantitative polymerase chain reaction (qPCR) method, copy numbers per 100 milliliters (cn/100 mL) Not checked Recoverable cn/100 mL
31747 Microbiological Enterococci, water, concentrated, mEI MF method, colony forming units per liter Not checked Total Enterococci cfu/l
31750 Microbiological Escherichia coli, water, concentrated, defined substrate test method (DSTM), most probable number per liter Not checked Total 68583-22-2 Escherichia coli MPN/L
31751 Microbiological Bacteria, total plate count, TPC agar, 35 degrees Celsius, 24 hours, water, colonies per milliliter Agree 24 Hour Total 35 deg C Bacteria mix, unspecified col/mL
31754 Microbiological Coliphage, E. coli, water, concentrated, CN13 host, plaque forming units per liter Not checked Total Coliphage pfu/l
31755 Microbiological Coliphage, E. coli, water, concentrated, Famp host, plaque forming units per liter Not checked Total Coliphage pfu/l
31756 Microbiological Total coliforms, water, concentrated, defined substrate test method (DSTM), most probable number per liter Not checked Total Total coliforms MPN/L
31759 Microbiological Picocyanobacteria, PC-rich, biovolume, cubic microns per liter Not checked Total um3/l
31760 Microbiological Picocyanobacteria, PE-rich, biovolume, cubic microns per liter Not checked Total um3/l
31761 Microbiological Human adenovirus group A, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31762 Microbiological Human adenovirus group B, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31763 Microbiological Human adenovirus groups C, D, F, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31764 Microbiological Human enterovirus, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31765 Microbiological Norovirus genogroup I, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31766 Microbiological Norovirus genogroup II, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31767 Microbiological Human polyomavirus, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31768 Microbiological Human-associated HF183 Bacteroides, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31769 Microbiological Bovine viral diarrhea virus type 1, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31770 Microbiological Bovine viral diarrhea virus type 2, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31771 Microbiological Rotavirus group A (VP1 gene), water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31772 Microbiological Bovine coronavirus, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31773 Microbiological Bovine adenovirus, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31774 Microbiological Bovine enterovirus, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31775 Microbiological Bovine polyomavirus, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31776 Microbiological Ruminant Bacteroides, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31777 Microbiological Bovine-associated M3 bacteria, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31778 Microbiological Enterococcus, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable Enterococci cp/L
31779 Microbiological Pepper mild mottle virus, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31780 Microbiological Enterohemorrhagic E. coli, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31781 Microbiological Salmonella (invA gene), water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable Salmonella cp/L
31782 Microbiological Campylobacter jejuni, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable Campylobacter jejuni cp/L
31783 Microbiological Cryptosporidium parvum, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable Cryptosporidium parvum cp/L
31784 Microbiological Giardia lamblia, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable Giardia lamblia cp/L
31785 Microbiological Human norovirus genogroup IB (GIB), water, recoverable, copies per liter Not checked Recoverable cp/L
31786 Microbiological Human norovirus genogroup II (GII), water, recoverable, copies per liter Not checked Recoverable cp/L
31787 Microbiological Dolichospermum 16S gene, water, DNA based, recoverable, copies per 100 milliliters Not checked Total Anabaena cp/100 mL
31788 Microbiological Cyanobacteria 16S gene, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable Cyanobacteria cp/g
31789 Microbiological Microcystis 16S gene, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31790 Microbiological Microcystis-specific microcystin gene mcyE, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31791 Microbiological Dolichospermum-specific microcystin gene mcyE, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable 77238-39-2 cp/g
31792 Microbiological Planktothrix-specific microcystin gene mcyE, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31793 Microbiological Planktothrix 16S gene, water, DNA based, recoverable, copies per 100 milliliters Not checked Recoverable cp/100 mL
31794 Microbiological Planktothrix 16S gene, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31795 Microbiological Anatoxin-a gene anaC, water, DNA based, recoverable, copies per 100 milliliters Not checked Recoverable 64285-06-9 cp/100 mL
31796 Microbiological Anatoxin-a gene anaC, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable 64285-06-9 cp/g
31797 Microbiological Saxitoxin gene sxtA, water, DNA based, recoverable, copies per 100 milliliters Not checked Recoverable cp/100 mL
31798 Microbiological Saxitoxin gene sxtA, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31799 Microbiological Dolichospermum 16S gene, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable Anabaena cp/g
31800 Microbiological Human adenovirus, water, recoverable, copies per liter Not checked Recoverable cp/L
31801 Microbiological Bacteroides general marker AllBac, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31802 Microbiological Bacteroides general marker GenBac, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31803 Microbiological Bacteroides human marker qHF183, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31804 Microbiological Bacteroides bovine marker BoBac, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31805 Microbiological Bacteroides dog marker BacCan, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31806 Microbiological Bacteroides bovine marker CowM2, water, 0.4 micron filter method, recoverable, copies per 100 milliliters Not checked Recoverable cp/100 mL
31807 Microbiological Bacteroides bovine marker CowM2, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31808 Microbiological Bacteroides ruminant marker Rum2Bac, water, 0.4 micron filter method, recoverable, copies per 100 milliliters Not checked Recoverable cp/100 mL
31809 Microbiological Bacteroides ruminant marker Rum2Bac, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31810 Microbiological Catellicoccus avian marker GFD, water, 0.4 micron filter method, recoverable, copies per 100 milliliters Not checked Recoverable cp/100 mL
31811 Microbiological Catellicoccus avian marker GFD, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31812 Microbiological Escherichia coli Shiga toxin 1 (stx1) gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31813 Microbiological Escherichia coli Shiga toxin 2 (stx2) gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31815 Microbiological Escherichia coli intimin (eaeA) gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31816 Microbiological Escherichia coli O157 surface protein, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31817 Microbiological Staphylococcus aureus 48 kD protein (femA) gene, water, presence or absence in 500 milliliters Not checked Total 68583-38-0 PrsAbs0.5L
31819 Microbiological Staphylococcus aureus penicillin binding protein 2A (mecA) gene, water, presence or absence in 500 milliliters Not checked Total 68583-38-0 PrsAbs0.5L
31820 Microbiological Salmonella species invasion determinant A (invA) gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31821 Microbiological Salmonella species plasmid of virulence (spvC) gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31822 Microbiological Escherichia coli 16S rRNA gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31823 Microbiological Enterococcus species enterococcal surface protein (esp) gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31824 Microbiological Enterococcus faecalis D-alanine ligase-replated protein (ddl) gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31825 Microbiological Enterococcus faecium D-alanine ligase-related protein (ddl) gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31826 Microbiological Staphylococcus, water, Baird Parker membrane filtration (0.45 micron) method, colony forming units per 100 milliliters Not checked Total cfu/100ml
31827 Microbiological Shigella sonnei invasion plasmid antigen H (ipaH) gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31828 Microbiological Enterococcus species acquired high-level of vancomycin resistance (vanA) gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31829 Microbiological Enterococcus species acquired intermediate level of vancomycin resistance (vanB) gene, water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31830 Microbiological Escherichia coli Shiga toxin 1 (stx1) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31831 Microbiological Escherichia coli Shiga toxin 2 (stx2) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31832 Microbiological Escherichia coli intimin (eaeA) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31833 Microbiological Escherichia coli O157 surface protein, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31834 Microbiological Staphylococcus aureus 48 kD protein (femA) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31835 Microbiological Staphylococcus aureus penicillin binding protein 2A (mecA) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31836 Microbiological Salmonella species invasion determinant A (invA) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31837 Microbiological Salmonella species plasmid of virulence (spvC) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31838 Microbiological Escherichia coli 16S rRNA gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31839 Microbiological Enterococcus species enterococcal surface protein (esp) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31840 Microbiological Enterococcus faecalis D-alanine ligase-replated protein (ddl) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31841 Microbiological Enterococcus faecium D-alanine ligase-related protein (ddl) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31842 Microbiological Shigella sonnei invasion plasmid antigen H (ipaH) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31843 Microbiological Enterococcus species acquired high-level of vancomycin resistance (vanA) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31844 Microbiological Enterococcus species acquired intermediate level of vancomycin resistance (vanB) gene, water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31845 Microbiological Salmonella, RV enrichment (0.45 micron filter), water, presence or absence in 500 milliliters Not checked Total PrsAbs0.5L
31846 Microbiological Salmonella, RV enrichment (0.45 micron filter), water, presence or absence in 100 milliliters Not checked Total PrsAbs0.1L
31847 Microbiological Heterotrophic plate count (HPC) at 35 degrees Celsius incubation, water, R2A membrane filtration (0.45 micron) method, colony forming units per 100 milliliters Not checked Total cfu/100ml
31848 Microbiological Heterotrophic plate count (HPC) at 44.5 degrees celsius incubation, water, R2A membrane filtration (0.45 micron) method, colony forming units per 100 milliliters Not checked Total cfu/100ml
31849 Microbiological Bacteria, denitrifying, water, most probable number Not checked Total MPN
31850 Microbiological Heterotrophic plate count (HPC) at 23 degrees celsius incubation, water, R2A membrane filtration (0.45 micron) method, colony forming units per 100 milliliters Not checked Total cfu/100ml
31854 Microbiological Bacteria, nitrifying, water, most probable number Agree Bacteria, nitrifiers MPN
31855 Microbiological Bacteria, sulfate reducing, water, most probable number Agree MPN
31863 Microbiological Cylindrospermopsin gene cyrA, water, DNA based, recoverable, copies per 100 milliliters Not checked Total cp/100 mL
31864 Microbiological Cylindrospermopsin gene cyrA, water, RNA based, recoverable, copies per 100 milliliters Not checked Total cp/100 mL
31865 Microbiological Cylindrospermopsin gene cyrA, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31866 Microbiological Anatoxin-a gene anaC, water, RNA based, recoverable, copies per 100 milliliters Not checked Total 64285-06-9 cp/100 mL
31867 Microbiological Saxitoxin gene sxtA, water, RNA based, recoverable, copies per 100 milliliters Not checked Total cp/100 mL
31868 Microbiological Cyanobacteria-specific geosmin gene geoA, water, DNA based, recoverable, copies per 100 milliliters Not checked Total cp/100 mL
31869 Microbiological Cyanobacteria-specific methyl-isoborneol (MIB) gene mic, water, DNA based, recoverable, copies per 100 milliliters Not checked Total cp/100 mL
31870 Microbiological Actinomycetes-specific geosmin gene geoA, water, DNA based, recoverable, copies per 100 milliliters Not checked Total cp/100 mL
31871 Microbiological Actinomycetes-specific methyl-isoborneol (MIB) gene mic, water, DNA based, recoverable, copies per 100 milliliters Not checked Total cp/100 mL
31872 Microbiological Microcystin/nodularin genes mcyE/ndaF, water, DNA based, recoverable, copies per 100 milliliters Not checked Total cp/100 mL
31873 Microbiological Microcystin/nodularin genes mcyE/ndaF, water, RNA based, recoverable, copies per 100 milliliters Not checked Total cp/100 mL
31874 Microbiological Microcystin/nodularin genes mcyE/ndaF, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31875 Microbiological Human-associated M2 Bacteroidales-like, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31876 Microbiological Bovine-associated M2 Bacteroidales-like, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31877 Microbiological Cryptosporidium spp. (pan-Crypto), water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31878 Microbiological Enterohemorrhagic E. coli Shiga toxin-1 gene, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31879 Microbiological Enterohemorrhagic E. coli Shiga toxin-2 gene, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31880 Microbiological Salmonella TTR gene, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31881 Microbiological Cryptosporidium hominis, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31882 Microbiological Cryptosporidium bovis, water, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31889 Microbiological Escherichia coli, Draft Method C, 23S gene marker, water, quantitative polymerase chain reaction (qPCR) method, gene copy number per 100 milliliters (gcn/100 mL) Not checked Total 68583-22-2 gcn/100 mL
31890 Microbiological Human-associated HF183/BacR287 Bacteroides, water, quantitative polymerase chain reaction (qPCR) method, gene copy number per 100 milliliters (gcn/100 mL) Not checked Total gcn/100 mL
31891 Microbiological Human-associated Bacteroides thetaiotaomicron, water, quantitative polymerase chain reaction (qPCR) method, gene copy number per 100 milliliters (gcn/100 mL) Not checked Total gcn/100 mL
31892 Microbiological Human-associated Bacteroidales-like HumM2, water, quantitative polymerase chain reaction (qPCR) method, gene copy number per 100 milliliters (gcn/100 mL) Not checked Total gcn/100 mL
31893 Microbiological Enterococcus, water, quantitative polymerase chain reaction (qPCR) method, gene copy number per 100 milliliters (gcn/100 mL) Not checked Total gcn/100 mL
31894 Microbiological Human adenovirus groups A-F hexon gene, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, gene copies per liter Not checked Total cp/L
31895 Microbiological Human Lachnospiraceae bacteria Lachno3 gene, water, filtered (0.22 micron filter), quantitative polymerase chain reaction (qPCR) method, copy numbers per 100 milliliters Not checked Dissolved cn/100 mL
31896 Microbiological Escherichia coli uidA gene, bacteria, water, filtered (0.22 micron filter), quantitative polymerase chain reaction (qPCR) method, copy numbers per 100 milliliters Not checked Dissolved cn/100 mL
31897 Microbiological Picocyanobacteria, PC-rich, water, enumeration, cells per liter Not checked Total cells/L
31898 Microbiological Bacteroides human marker HF183/BacR287, water, 0.4 micron filter method, copies per 100 milliliter Not checked Total cp/100 mL
31899 Microbiological Bacteroides human marker HF183/BacR287, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31900 Microbiological Bacteroides horse marker Horse bacteria, water, 0.4 micron filter method, copies per 100 milliliter Not checked Total cp/100 mL
31901 Microbiological Bacteroides horse marker Horse bacteria, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31902 Microbiological Brevibacterium poultry litter marker, chicken litter (CL), water, 0.4 micron filter method, copies per 100 milliliter Not checked Total cp/100 mL
31903 Microbiological Brevibacterium poultry litter marker, chicken litter (CL), solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31904 Microbiological Bacteroides swine marker Pig-1-Bac, water, 0.4 micron filter method, copies per 100 milliliter Not checked Total cp/100 mL
31905 Microbiological Bacteroides swine marker Pig-1-Bac, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31906 Microbiological Bacteroides swine marker Pig-2-Bac, water, 0.4 micron filter method, copies per 100 milliliter Not checked Total cp/100 mL
31907 Microbiological Bacteroides swine marker Pig-2-Bac, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31908 Microbiological Lactobacillus swine marker, Lactobacillus sobrius/Lactobacillus amylovorus, water, 0.4 micron filter method, copies per 100 milliliter Not checked Total cp/100 mL
31909 Microbiological Lactobacillus swine marker, Lactobacillus sobrius/Lactobacillus amylovorus, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31910 Microbiological Coliphage, F+-specific RNA, group I (animal), water, quantitative polymerase chain reaction (qPCR) method, presence or absence per liter Not checked Coliphage PrsAbs/L
31911 Microbiological Coliphage, F+-specific RNA, group II (human or swine), water, quantitative polymerase chain reaction (qPCR) method, presence or absence per liter Not checked Coliphage PrsAbs/L
31912 Microbiological Coliphage, F+-specific RNA, group III (human), water, quantitative polymerase chain reaction (qPCR) method, presence or absence per liter Not checked Coliphage PrsAbs/L
31913 Microbiological Coliphage, F+-specific RNA, group IV (animal, bird), water, quantitative polymerase chain reaction (qPCR) method, presence or absence per liter Not checked Coliphage PrsAbs/L
31914 Microbiological Cyanobacteria 16S gene, water, DNA based, recoverable, genomic copies per microliter Not checked Total Cyanobacteria gc/ul
31915 Microbiological Microcystin/nodularin genes mcyE/ndaF, water, DNA based, recoverable, genomic copies per microliter Not checked Total gc/ul
31916 Microbiological Saxitoxin gene sxtA, water, DNA based, recoverable, genomic copies per microliter Not checked Total gc/ul
31917 Microbiological Cylindrospermopsin gene cyrA, water, DNA based, recoverable, genomic copies per microliter Not checked Total gc/ul
31922 Microbiological Nostoc 16S gene, water, DNA based, recoverable, copies per 100 milliliters Not checked Recoverable cp/100 mL
31923 Microbiological Nostoc 16S gene, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31933 Microbiological crAssphage human marker, CPQ_056, water, 0.4 micron filter method, recoverable, copies per 100 milliliter Not checked Recoverable cp/100 mL
31934 Microbiological crAssphage human marker, CPQ_056, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31935 Microbiological crAssphage human marker, CPQ_064, water, 0.4 micron filter method, recoverable, copies per 100 milliliter Not checked Recoverable cp/100 mL
31936 Microbiological crAssphage human marker, CPQ_064, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31938 Microbiological Escherichia coli, defined substrate test method (DSTM), water, geometric mean, most probable number per 100 milliliters Not checked Total 68583-22-2 Escherichia coli MPN/100 ml
31939 Microbiological Escherichia coli, defined substrate test method (DSTM), sediment, dry weight, geometric mean, most probable number per gram Not checked Dry Total 68583-22-2 Escherichia coli MPN/g
31940 Microbiological Escherichia coli, defined substrate test method (DSTM), sediment, wet weight, geometric mean, most probable number per gram Not checked Wet Total 68583-22-2 Escherichia coli MPN/g
31941 Microbiological Total coliforms, defined substrate test method (DSTM), water, geometric mean, most probable number per 100 milliliters Not checked Total Total coliforms MPN/100 ml
31942 Microbiological Total coliforms, defined substrate test method (DSTM), sediment, dry weight, geometric mean, most probable number per gram Not checked Dry Total Total coliforms MPN/g
31943 Microbiological Total coliforms, defined substrate test method (DSTM), sediment, wet weight, geometric mean, most probable number per gram Not checked Wet Total Total coliforms MPN/g
31944 Microbiological Cyanobacteria-specific methyl-isoborneol (MIB) gene mic, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31945 Microbiological Cyanobacteria-specific geosmin gene geoA, solids, DNA based, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31946 Microbiological Gloeotrichia-specific gene, solids, DNA based, recoverable, dry weight, quantitative polymerase chain reaction (qPCR) method, copies per gram Not checked Dry Recoverable cp/g
31947 Microbiological Gloeotrichia-specific gene, water, DNA based, recoverable, quantitative polymerase chain reaction (qPCR) method, copies per 100 milliliters Not checked Total cp/100 mL
31948 Microbiological Bacteroides canine marker, DG3, water, recoverable, copies per 100 milliliters Not checked Total cp/100 mL
31949 Microbiological Bacteroides canine marker, DG3, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31950 Microbiological Lachnospiraceae canine marker, DG37, water, recoverable, copies per 100 milliliters Not checked Total cp/100 mL
31951 Microbiological Lachnospiraceae canine marker, DG37, solids, recoverable, dry weight, copies per gram Not checked Dry Recoverable cp/g
31952 Microbiological Cryptosporidium spp. (pan-Crypto) 18S rRNA gene, CRU18S, water, recoverable, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Total cp/L
31953 Microbiological Cryptosporidium spp. (pan-Crypto) 18S rRNA gene, JVA, water, recoverable, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Total cp/L
31954 Microbiological Cryptosporidium parvum gene, JVAG2, water, recoverable, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Total Cryptosporidium parvum cp/L
31955 Microbiological Cryptosporidium hominis gene, JVAG1, water, recoverable, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Total cp/L
31956 Microbiological Avian-associated bacteroidales, GFD assay, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31957 Microbiological Bacteroidales Pig-1-Bac Pig-specific, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31958 Microbiological Bacteroidales Pig-2-Bac Pig-specific, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31959 Microbiological Hepatitis-E virus, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31960 Microbiological Shigella and enteroinvasive Escherichia coli (EIEC) ipaH gene, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31961 Microbiological Staphylococcus aureus nuc gene, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31962 Microbiological Cryptosporidium baileyi, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31963 Microbiological Cryptosporidium galli, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31964 Microbiological Cryptosporidium meleagridis, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31965 Microbiological Cryptosporidium suis, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31966 Microbiological Cryptosporidium ubiquitum, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31967 Microbiological 2019_nCOV_N1, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31968 Microbiological 2019_nCOV_N2, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
31969 Microbiological Moraxella bovis, water, unfiltered, quantitative polymerase chain reaction (qPCR) method, copies per liter Not checked Recoverable cp/L
32335 Microbiological Cyanobacterial abundance from a phycocyanin sensor (PC), water, in situ, concentration computed by regression of sensor data with field samples, cells per milliliter Not checked Total cells/mL
32336 Microbiological Phycoerythrin fluorescence (fPE), water, in situ, concentration estimated from reference material, micrograms per liter as phycoerythrin Not checked Total 18097-67-1 ug/l
32337 Microbiological Phycoerythrin (PE), water, in situ, concentration computed by regression of sensor data with field sample lab results, micrograms per liter Not checked Total 18097-67-1 ug/l
32338 Microbiological Cyanobacteria fluorescence of phycoerythrin (fPE), water, in situ, concentration estimated from reference material, cells per milliliter Not checked Total 18097-67-1 cells/mL
32339 Microbiological Cyanobacterial abundance from a phycoerythrin sensor (PE), water, in situ, concentration computed by regression of sensor data with field samples, cells per milliliter Not checked Total cells/mL
32346 Microbiological Picocyanobacteria, PE-rich, water, enumeration, cells per liter Not checked Total cells/L
50017 Microbiological Total coliforms, ONPG-MUG method, water, colonies per 100 milliliters Not checked Total Total coliforms cfu/100ml
50275 Microbiological Escherichia coli, m-TEC MF method, water, colonies per 100 milliliters Not checked 68583-22-2 Escherichia coli cfu/100ml
50278 Microbiological Escherichia coli, NA-MUG MF method, water, colony forming units per 100 milliliters Not checked 68583-22-2 Escherichia coli cfu/100ml
50466 Microbiological Escherichia coli, m-TEC MF method, bed sediment, dry weight, colony forming units per gram Not checked Dry Bed Sediment 68583-22-2 Escherichia coli col/gram
50467 Microbiological Escherichia coli, defined substrate test method (DSTM), bed sediment, dry weight, most probable number per gram Not checked Dry Bed Sediment 68583-22-2 Escherichia coli MPN/g
50468 Microbiological Escherichia coli, defined substrate test method (DSTM), water, most probable number per 100 milliliters Not agree 68583-22-2 Escherichia coli MPN/100 ml
50469 Microbiological Fecal coliforms, M-FC MF method, bed sediment, dry weight, colony forming units per gram Not checked Dry Bed Sediment Fecal coliforms col/gram
50569 Microbiological Total coliforms, defined substrate test method (DSTM), water, most probable number per 100 milliliters Not checked Total Total coliforms MPN/100 ml
51762 Microbiological Escherichia coli, water, calibrator cell equivalents per 100 milliliters (CCE/100 mL) Not checked Total 68583-22-2 Escherichia coli CCE/100 mL
51763 Microbiological Escherichia coli, water, cell equivalents per 100 milliliters (CE/100 mL) Not checked Total 68583-22-2 Escherichia coli CE/100 mL
61213 Microbiological Total coliforms, water, colonies per 100 milliliters Agree Total Total coliforms cfu/100ml
61214 Microbiological Fecal streptococci, water, colonies per 100 milliliters Agree cfu/100ml
61215 Microbiological Fecal coliforms, water, colonies per 100 milliliters Agree Fecal coliforms cfu/100ml
61229 Microbiological Giardia, water, 0.30 micron filter method, cysts per 100 liters Agree Giardia cysts/100L
61230 Microbiological Cryptosporidium, water, 0.30 micron filter method, oocysts per 100 liters Agree Cryptosporidium ocyst/100L
62998 Microbiological Glycol hydrolyzing bacteria, water, colonies per 100 milliliters USGS use and no use by EPA cfu/100ml
62999 Microbiological Pseudomonas, water, colonies per 100 milliliters USGS use and no use by EPA 68602-93-7 Pseudomonas cfu/100ml
63000 Microbiological Presumptive Aeromonas, water, colonies per 100 milliliters USGS use and no use by EPA cfu/100ml
63156 Microbiological Escherichia coli, modified mTEC MF method, bed sediment, dry weight, colonies per gram USGS use and no use by EPA Dry Bed Sediment 68583-22-2 Escherichia coli col/gram
63157 Microbiological Enterococci, mEI MF method, bed sediment, dry weight, colonies per gram USGS use and no use by EPA Dry Bed Sediment Enterococci col/gram
63688 Microbiological Actinomycetes, standard plate count, double agar layer, water, colonies per milliliter USGS use and no use by EPA Actinomycetes col/mL
68201 Microbiological Bacteroides general marker, AllBac, water, 0.4 micron filter method, copies per 100 milliliters USGS use and no use by EPA Total cp/100 mL
68202 Microbiological Bacteroides general marker, GenBac, water, 0.4 micron filter method, copies per 100 milliliters USGS use and no use by EPA Total cp/100 mL
68203 Microbiological Bacteroides human marker, qHF183, water, 0.4 micron filter method, copies per 100 milliliters USGS use and no use by EPA Total cp/100 mL
68204 Microbiological Bacteroides human marker, BacHum, water, 0.4 micron filter method, copies per 100 milliliters USGS use and no use by EPA Total cp/100 mL
68205 Microbiological Bacteroides bovine marker, BoBac, water, 0.4 micron filter method, copies per 100 milliliters USGS use and no use by EPA Total cp/100 mL
68206 Microbiological Bacteroides dog marker, BacCan, water, 0.4 micron filter method, copies per 100 milliliters USGS use and no use by EPA Total cp/100 mL
68207 Microbiological Brevibacterium poultry marker, LA-35, water, 0.4 micron filter method, copies per 100 milliliters USGS use and no use by EPA Total cp/100 mL
68208 Microbiological Catellicoccus gull marker, Gull2, water, 0.4 micron filter method, copies per 100 milliliters USGS use and no use by EPA Total cp/100 mL
68209 Microbiological Bacteroides Canada goose marker, CGOF1-Bac, water, 0.4 micron filter method, copies per 100 milliliters USGS use and no use by EPA Total cp/100 mL
68210 Microbiological Bacteroides Canada goose marker, CGOF2-Bac, water, 0.4 micron filter method, copies per 100 milliliters USGS use and no use by EPA Total cp/100 mL
71200 Microbiological Salmonella, MF method, water, colonies per 100 milliliters Agree Salmonella cfu/100ml
71220 Microbiological Pseudomonas aeruginosa, MF method, water, colonies per 100 milliliters Not checked 68583-29-9 Pseudomonas aeruginosa cfu/100ml
72435 Microbiological Escherichia coli, water, filtered, in situ, fluorescence excitation at 385 nm, emission at 430 nm, colony forming units per 100 milliliters Not checked 68583-22-2 Escherichia coli cfu/100ml
72436 Microbiological Escherichia coli, water, unfiltered, in situ, fluorescence excitation at 385 nm, emission at 430 nm, colony forming units per 100 milliliters Not checked 68583-22-2 Escherichia coli cfu/100ml
72437 Microbiological Total coliforms, water, filtered, in situ, fluorescence excitation at 385 nm, emission at 430 nm, colony forming units per 100 milliliters Not checked Total coliforms cfu/100ml
72438 Microbiological Total coliforms, water, unfiltered, in situ, fluorescence excitation at 385 nm, emission at 430 nm, colony forming units per 100 milliliters Not checked Total coliforms cfu/100ml
78943 Microbiological Heterotrophic bacteria, R2 agar method, water, colony forming units per milliliter Agree Heterotrophic bacteria col/mL
81355 Microbiological Pseudomonas aeruginosa, water, most probable number per 100 milliliters Agree 68583-29-9 Pseudomonas aeruginosa MPN/100 ml
81803 Microbiological Bacteria, total count, epifluorescence, water, cells per milliliter Agree Total Bacteria mix, unspecified #/ml
84138 Microbiological Total coliforms, water, presence or absence Agree Total Total coliforms PrsAbs
84140 Microbiological Klebsiella pneumoniae, MF method, water, presence or absence Agree 68583-24-4 Klebsiella pneumoniae PrsAbs
84382 Microbiological Total coliforms, water, presence or absence in sample Agree Total Total coliforms PrsAbs
84383 Microbiological Fecal coliforms, water, presence or absence in sample Agree Fecal coliforms PrsAbs
84385 Microbiological Escherichia coli, water, presence or absence in sample USGS use and no use by EPA 68583-22-2 Escherichia coli PrsAbs
90900 Microbiological Total coliforms, MI MF method, water, colony forming units per 100 milliliters USGS use and no use by EPA Total Total coliforms cfu/100ml
90901 Microbiological Escherichia coli, MI MF method, water, colony forming units per 100 milliliters USGS use and no use by EPA 68583-22-2 Escherichia coli cfu/100ml
90902 Microbiological Escherichia coli, modified m-TEC MF method, water, colony forming units per 100 milliliters USGS use and no use by EPA 68583-22-2 Escherichia coli cfu/100ml
90903 Microbiological Coliphage, E. coli, CN13 host, water, plaque forming units per 100 milliliters USGS use and no use by EPA Coliphage pfu/100ml
90904 Microbiological Coliphage, E. coli, Famp host, water, plaque forming units per 100 milliliters USGS use and no use by EPA Coliphage pfu/100ml
90905 Microbiological Coliphage, E. coli, C-host, MF method, water, plaques per 100 milliliters USGS use and no use by EPA Coliphage pfu/100ml
90908 Microbiological Total coliforms, defined substrate test method (DSTM), water, most probable number per 100 milliliters USGS use and no use by EPA Total Total coliforms MPN/100 ml
90909 Microbiological Enterococci, mEI MF method, water, colony forming units per 100 ml USGS use and no use by EPA Enterococci cfu/100ml
90910 Microbiological Enteric virus, total culturable, bgm kidney cell culture, 1-MDS filter, quantal assay, 37 degrees Celsius, water, most probable number per 100 liters USGS use and no use by EPA Total 37 deg C Viruses (enteric) MPN/100 L
90911 Microbiological Coliphage, E. coli, C-host, 1-MDS filter, agar overlay, 37 degrees Celsius, water, plaque-forming units per 100 liters USGS use and no use by EPA 37 deg C Coliphage pfu/100 L
90912 Microbiological Coliphage, E. coli, C-3000 host, 1-MDS filter, agar overlay, 37 degrees Celsius, water, plaque-forming units per 100 liters USGS use and no use by EPA 37 deg C Coliphage pfu/100 L
90915 Microbiological Clostridium perfringens, mCP MF method, water, colony forming units per 100 milliliters USGS use and no use by EPA Clostridium perfringens cfu/100ml
95200 Microbiological Total cell count, water, cells per milliliter USGS use and no use by EPA Total #/ml
99328 Microbiological Coliphage, somatic, E. coli C-host, 2-step enrichment, water, presence or absence in 100 milliliters USGS use and no use by EPA Coliphage PrsAbs0.1L
99329 Microbiological Coliphage, somatic, E. coli C-host, 2-step enrichment, water, presence or absence per liter USGS use and no use by EPA Coliphage PrsAbs/L
99330 Microbiological Coliphage, somatic, E. coli C-host, 2-step enrichment, water, presence or absence in 4 liters USGS use and no use by EPA Coliphage PrsAbs/4 L
99332 Microbiological Coliphage, somatic, E. coli CN13-host, 2-step enrichment, water, presence or absence per liter USGS use and no use by EPA Coliphage PrsAbs/L
99333 Microbiological Coliphage, somatic, E. coli CN13-host, 2-step enrichment, water, presence or absence in 4 liters USGS use and no use by EPA Coliphage PrsAbs/4 L
99334 Microbiological Coliphage, F-specific, E. coli FAMP-host, 2-step enrichment, water, presence or absence in 100 milliliters USGS use and no use by EPA Coliphage PrsAbs0.1L
99335 Microbiological Coliphage, F-specific, E. coli FAMP-host, 2-step enrichment, water, presence or absence per liter USGS use and no use by EPA Coliphage PrsAbs/L
99336 Microbiological Coliphage, F-specific, E. coli FAMP-host, 2-step enrichment, water, presence or absence in 4 liters USGS use and no use by EPA Coliphage PrsAbs/4 L
99406 Microbiological Fecal coliforms, estimated by regression equation, water, colonies per 100 milliliters USGS use and no use by EPA Fecal coliforms cfu/100ml
99407 Microbiological Escherichia coli, estimated by regression equation, water, colonies per 100 milliliters USGS use and no use by EPA 68583-22-2 Escherichia coli cfu/100ml
99418 Microbiological Fecal coliforms, estimated load, water, billions of colonies per day USGS use and no use by EPA Fecal coliforms Bcol/day
99419 Microbiological Escherichia coli, estimated load, water, calculated, billions of colonies per day USGS use and no use by EPA 68583-22-2 Escherichia coli Bcol/day
99595 Microbiological Total coliforms, defined substrate test presence or absence method (DSTM PA), water, presence or absence in 100 milliliters USGS use and no use by EPA Total Total coliforms PrsAbs0.1L
99596 Microbiological Escherichia coli, defined substrate test presence or absence method (DSTM PA), water, presence or absence in 100 milliliters USGS use and no use by EPA 68583-22-2 Escherichia coli PrsAbs0.1L
99597 Microbiological Giardia, water, method 1623, cysts per 10 liters USGS use and no use by EPA Giardia cysts/10 L
99598 Microbiological Giardia, spike efficiency, parameter code 99597, percent recovery USGS use and no use by EPA Giardia %
99599 Microbiological Cryptosporidium, water, method 1623, oocysts per 10 liters USGS use and no use by EPA Cryptosporidium oocyst/10L
99600 Microbiological Cryptosporidium, spike efficiency, parameter code 99599, percent recovery USGS use and no use by EPA Cryptosporidium %
99601 Microbiological Enterococci, water, defined substrate test method (DSTM), most probable number per 100 milliliters USGS use and no use by EPA Enterococci MPN/100 ml
99602 Microbiological Helicobacter pylori, water, fluorescent antibody method, organisms per milliliters USGS use and no use by EPA Helicobacter pylori #/ml
99603 Microbiological Cryptosporidium, water, EPA method 1623, oocysts per 1 liter Not checked Total oocysts/L
99604 Microbiological Giardia, water, EPA method 1623, cysts per 1 liter Not checked Total cysts/L
99761 Microbiological Cryptosporidium, capsule filter, method 1622, water, oocysts per 10 liters USGS use and no use by EPA Cryptosporidium oocyst/10L
99763 Microbiological Cryptosporidium, MF, method 1622, water, oocysts per 10 liters USGS use and no use by EPA Cryptosporidium oocyst/10L
99765 Microbiological Clostridium perfringens, ethanol treated, mcp MF method, ammonium hydroxide, 42 degrees Celsius, water, colonies per 100 milliliters USGS use and no use by EPA 42 deg C Clostridium perfringens cfu/100ml
99766 Microbiological Enterovirus, reverse-transcriptase polymerase chain reaction method (RT-PCR), 1MDS filter, water, presence or absence in 50 liters USGS use and no use by EPA Enterovirus PrsAbs/50L
99767 Microbiological Reovirus, reverse-transcriptase polymerase chain reaction method (RT-PCR), 1MDS filter, water, presence or absence in 50 liters USGS use and no use by EPA PrsAbs/50L
99768 Microbiological Rotavirus, reverse-transcriptase polymerase chain reaction method (RT-PCR), 1MDS filter, water, presence or absence in 50 liters USGS use and no use by EPA PrsAbs/50L
99769 Microbiological Hepatitis-A virus, reverse-transcriptase polymerase chain reaction method (RT-PCR), 1MDS filter, water, presence or absence in 50 liters USGS use and no use by EPA PrsAbs/50L
99770 Microbiological Norwalk virus, reverse-transcriptase polymerase chain reaction method (RT-PCR), 1MDS filter, water, presence or absence in 50 liters USGS use and no use by EPA PrsAbs/50L
99771 Microbiological Calicivirus, reverse-transcriptase polymerase chain reaction method (RT-PCR), 1MDS filter, water, presence or absence in 50 liters USGS use and no use by EPA Caliciviruses PrsAbs/50L
