Remark Codes
| Remark Cd | Remark Nm |
|---|---|
| < | Less than |
| > | Greater than |
| A | Average |
| E | Estimated |
| M | Presence verified but not quantified |
| N | Presumptive evidence of presence |
| R | Radchem non-detect, below ssLc |
| S | Most probable value |
| U | Analyzed for but not detected |
| V | Value affected by contamination |
