40 CFR 1066.150 - Analyzer interference and quench verification limit.

Regulations last checked for updates: May 02, 2025

Title 40 - Protection of Environment last revised: Nov 02, 2025

View all text of Subpart B [§ 1066.101 - § 1066.150]

§ 1066.150 - Analyzer interference and quench verification limit.

Analyzers must meet the interference and quench verification limits in the following table on the lowest, or most representative, instrument range that will be used during emission testing, instead of those specified in 40 CFR part 1065, subpart D:

Table 1 of § 1066.150—Analyzer Interference and Quench Verification Limits

Verification	Limit
40 CFR 1065.350	±2% of full scale.
40 CFR 1065.355	±2% of full scale.
40 CFR 1065.370	±2% of full scale.
40 CFR 1065.375	±2% of the flow-weighted mean concentration of N2O expected at the standard.

authority: 42 U.S.C. 7401-7671q.

source: 79 FR 23823, Apr. 28, 2014, unless otherwise noted.

cite as: 40 CFR 1066.150