N.M. Code R. § 20.2.40.111
Current through Register Vol. 35, No. 11, June 11, 2024
Opacity of visible emissions from existing sulfuric acid production units shall be determined consistent with the method set forth by the US EPA in 40 CFR Part 60, Appendix A, Method 9 or any other equivalent method receiving prior approval from the Department and the US EPA. The time period for taking opacity readings shall be for a minimum of six minutes.
N.M. Code R. § 20.2.40.111