EPA Method 202

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EPA Method 202:
Determination of Condensible Particulate Emissions from Stationary Sources

The CPM is collected in the impinger portion of a Method 17 (Appendix A, 40 CFR Part 60) type sampling train. The impinger contents are immediately purged after the run with nitrogen (N ) to remove dissolved sulfur dioxide (SO)2 gases from the impinger contents. The impinger solution is then extracted with methylene chloride (MeCl ). The organic and aqueous fractions are then taken to 2 dryness and the residues weighed. The total of both fractions represents the CPM.

This method applies to the determination of condensible particulate matter (CPM) emissions from stationary sources. It is intended to represent condensible matter as material that condenses after passing through a filter and as measured by this method (Note: The filter catch can be analyzed according to the appropriate method).

Report Number:
51 App M

Date Issued: