EPA Method 202

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

Summary:
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.

Scope:
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:
9/25/1996