---
kind: "section"
citation: "40 C.F.R. § 60.6515"
title: "40"
number: "60.6515"
heading: "What types of stack tests must I conduct?"
url: "https://uscodex.org/cfr/40/60.6515"
---

# §60.6515. What types of stack tests must I conduct?


Conduct initial and annual stack tests to measure the emission levels of particulate matter, opacity, cadmium, lead, mercury, hydrogen chloride, dioxins/furans, and fugitive ash in accordance with the methods specified in Table 5 to Subpart WWWW.


## Notes

### Source

Source: 91 FR 11860, Mar. 10, 2026, unless otherwise noted.

### Authority

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

### Source

Source: 36 FR 24877, Dec. 23, 1971, unless otherwise noted.