CFR /  Title 40  /  Part 62  /  Sec. 62.15380 How must I monitor opacity for air curtain incinerators

(a) Use EPA Reference Method 9 in appendix A of 40 CFR part 60 to determine compliance with the opacity limit.

(b) Conduct an initial test for opacity as specified in Sec. 60.8 of subpart A of 40 CFR part 60.

(c) After the initial test for opacity, conduct annual tests no more than 13 calendar months following the date of your previous test.