Analyzer interference and quench verification limit.

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Air Pollution Controls
  6. Vehicle-Testing Procedures
  7. Equipment, Measurement Instruments, Fuel, and Analytical Gas Specifications
  8. Analyzer interference and quench verification limit.

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§ 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:

Expand Table

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.


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