40 C.F.R. § 60.1925
How must I monitor opacity for air curtain incinerators that burn 100 percent yard waste?
Cite as 40 C.F.R. § 60.1925 (2026)
(a) Use EPA Reference Method 9 in appendix A of this part to determine compliance with the opacity limit. (b) Conduct an initial test for opacity as specified in § 60.8. (c) After the initial test for opacity, conduct annual tests no more than 13 calendar months following the date of your previous test.
- Cross-references to the CFR
- 60.8.