06- 096 C.M.R. ch. 584, § 4
Current through 2024-51, December 18, 2024
For any pollutant believed to be carcinogenic, a risk level that would result, at most, in one additional cancer per one million people (risk of 1 X 10-6) exposed to the carcinogen must be used in determining the human health criterion. Notwithstanding the above, the Department shall utilize a 10-4 risk level when calculating ambient water quality criteria for inorganic arsenic.
06- 096 C.M.R. ch. 584, § 4