---
kind: "section"
citation: "40 C.F.R. § 63.7186"
title: "40"
number: "63.7186"
heading: "By what date must I conduct performance tests or other initial compliance demonstrations?"
url: "https://uscodex.org/cfr/40/63.7186"
---

# §63.7186. By what date must I conduct performance tests or other initial compliance demonstrations?


For each process vent or storage tank vent emission limitation in [§ 63.7184](/cfr/40/63.7184.md) for which initial compliance is demonstrated by meeting a percent by weight HAP emissions reduction, or a HAP concentration limitation, you must conduct performance tests or an initial compliance demonstration within 180 days after the compliance date that is specified for your source in [§ 63.7183](/cfr/40/63.7183.md) and according to the provisions in [§ 63.7(a)(2)](/cfr/40/63.7.md?p=a-2).


## Notes

### Source

Source: 68 FR 27925, May 22, 2003, unless otherwise noted.

### Authority

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

### Source

Source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.