40 CFR § 62.15240 - What schedule must I follow for the stack testing?

---
identifier: "/us/cfr/t40/s62.15240"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 62.15240 - What schedule must I follow for the stack testing?"
title_number: 40
title_name: "Protection of Environment"
section_number: "62.15240"
section_name: "What schedule must I follow for the stack testing?"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "62"
part_name: "APPROVAL AND PROMULGATION OF STATE PLANS FOR DESIGNATED FACILITIES AND POLLUTANTS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401"
regulatory_source: "43 FR 51393, Nov. 3, 1978, unless otherwise noted."
cfr_part: "62"
---


# 62.15240 What schedule must I follow for the stack testing?

(a) Conduct initial stack tests for the pollutants listed in § 62.15230 by 180 days after your final compliance date.

(b) Conduct annual stack tests for these pollutants after the initial stack test. Conduct each annual stack test no later than 13 months after the previous stack test.