---
kind: "section"
citation: "40 C.F.R. § 62.14760a"
title: "40"
number: "62.14760a"
heading: "How must I monitor opacity for air curtain incinerators?"
url: "https://uscodex.org/cfr/40/62.14760a"
---

# §62.14760a. How must I monitor opacity for air curtain incinerators?

- (a) **Use Method 9 of 40 CFR part 60, appendix A-4, to determine compliance with the opacity limitation.**
- (b) Conduct an initial test for opacity as specified in [§ 60.8](/cfr/40/60.8.md) of this chapter no later than 180 days after your final compliance date under this subpart.
- (c) After the initial test for opacity, conduct annual tests no more than 12 calendar months following the date of your previous test.

## Notes

### Source

Source: 89 FR 100104, Dec. 11, 2024, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 43 FR 51393, Nov. 3, 1978, unless otherwise noted.