Method 311

Volatile HAPs in paints and coatings by direct injection GC


This method is for the analysis of volative HAPs (hazardous air pollutants) in paints and coatings.   The method applies only to the volatile HAPs which are added to the coating when it is manufactured not to those compounds which may form as the coating cures.

The sample is collected in a manner to prevent or minimize the loss of volatile components.

The coating is added to dimethylformamide and analyzed by GC/FID (flame ionization detector).


(EPA 40CFR Part 63 Appendix A)

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Method Data

Hold Times, Preservatives, Preps, Collection, Analytical & Documentation
Holding Time:   None specified in the method.
Preservatives:   Keep sample at 5°C to 38°C or at manufacturer's specified temperature.
Required Preps:   4-8 oz Glass or plastic bottle with Teflon-lined lid
Collection Method:   Grab sampling
Analytical Methodology:   GC/FID
Documentation:   311

Analyte List*

Analyte Formula CAS Number Detection Limit
Total Volatile HAP
HAP
0.01
 %

* 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.