N.Y. Comp. Codes R. & Regs. tit. 10, § 22.7
For purposes of section 22.6 of this Part, the following levels of heavy metals in blood and urine samples are reportable to the State Commissioner of Health:
| Metal | Sample | Reportable at or above |
|---|---|---|
| Lead | Blood | 25 ug/dl |
| Cadmium | Blood | 10 ng/ml |
| Urine | 5 ug/l | |
| Mercury | Blood | 5 ng/ml |
| Urine | 20 ng/ml | |
| Arsenic | Urine | 50 ug/l |