Section Env-Dw 712.28 - Laboratory Methods, Sampling Protocols, and Detection Limits for PFAS Contaminants(a) Analysis for PFAS contaminants shall be conducted only by laboratories that are accredited by the department for such analyses pursuant to Env-C 300.(b) Samples to be analyzed for PFAS contaminants shall be collected in accordance with the protocol specified in the sample analysis method approved per Env-Dw 707.06.(c) Detection limits for PFAS contaminants shall not exceed those set forth in Table 712-2, below: Table 712-2: Detection Limits for PFAS Contaminants
PFAS Contaminant | Detection Limit |
Perfluorohexane sulfonic acid (PFHxS) | 2 ng/L |
Perfluorononanoic acid (PFNA) | 2 ng/L |
Perfluorooctane sulfonic acid (PFOS) | 2 ng/L |
Perfluorooctanoic acid (PFOA) | 2 ng/L |
N.H. Code Admin. R. Env-Dw 712.28
Derived from Volume XXXIX Number 32, Filed August 8, 2019, Proposed by #12838, Effective 9/30/2019, Expires 9/30/2029.