Regulations last checked for updates: May 30, 2026

Title 40 - Protection of Environment last revised: Aug 30, 2026
§ 60.5945 - What is required for my continuous opacity monitoring system and how are the data used?

(a) Install, calibrate, maintain, and operate a continuous opacity monitoring system.

(b) Install, evaluate, and operate each continuous opacity monitoring system according to § 60.13.

(c) The output of the continuous opacity monitoring system shall be recorded on a 6-minute average basis.

(d) Complete an initial evaluation of your continuous opacity monitoring system according to Performance Specification 1 in appendix B of this part. Complete the evaluation no later than 180 days after the date of the initial startup of the municipal waste combustor, as specified under § 60.8.

(e) Follow Table 4 to Subpart VVVV to establish the procedures and test methods to determine compliance with the opacity limit in Table 2 to Subpart VVVV. The data obtained from your continuous opacity monitoring system are not used to determine compliance with the opacity limit.

authority: 42 U.S.C. 7401
source: 36 FR 24877, Dec. 23, 1971, unless otherwise noted.
cite as: 40 CFR 60.5945