06- 096 C.M.R. ch. 110, § 7
Current through 2024-51, December 18, 2024
The primary and secondary ambient air quality standard for lead and its compounds measured as elemental lead is 0.15 µg/m3.The standards are met when the maximum rolling three month average measured over a three-year period does not exceed 0.15 µg/m3, as determined in accordance with 40 CFR Part 50, Appendix R.
06- 096 C.M.R. ch. 110, § 7