Method 206

Procedure for Collection and Analysis of Ammonia in Stationary Sources


This method is applicable for determining emissions of ammonia (NH3) from stationary sources. Samples are collected isokinetically in 0.1 N H2SO4 solutions using a Method 17 sampling train. The filter catch is typically not analyzed for ammonia. This method is also published as EPA Method CTM-027.


(EPA 40CFR Part 51 Appendix M)

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Method Data

Hold Times, Preservatives, Preps, Collection, Analytical & Documentation
Holding Time:   14 days from collection to analysis
Preservatives:   Samples should be held and shipped on ice to the laboratory
Required Preps:   Glass fiber filter
Collection Method:   EPA Method 17
Analytical Methodology:   Ion chromatography with conductivity detector
Documentation:   CTM-027

Analyte List*

Analyte Formula CAS Number Detection Limit
Ammonia
NH3
7664-41-7
0.5
 ppm

* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.