EPA Method 7E


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EPA Method 7E:
Determination of Nitrogen Oxides Emissions From Stationary Sources (Instrumental Analyzer Procedure)

Summary:
In this method, a sample of the effluent gas is continuously sampled and conveyed to the analyzer for measuring the concentration of NOX. You may measure NO and NO2separately or simultaneously together but, for the purposes of this method, NOX is the sum of NO and NO2. You must meet the performance requirements of this method to validate your data.

Scope:
This method measures the concentration of nitrogen oxides as NO2. Analyte CAS No. Sensitivity Nitric oxide (NO) 10102–43–9 Typically <2% of Nitrogen dioxide (NO2) 10102–44–0 Calibration Span.

Date Issued:
8/14/1990

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Examples:  8260
TO-15

Examples:  Dioxin
Mercury
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