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 Method 508A
The USEPA method 508A is an analytical method that utilizes a methylene chloride extraction of drinking and raw source water, concentrated to 5-mL (in hexane) after derivitization with SbCl5 and a gas chromatograph equipped with a packed or capillarycolumn to perform the separation of the resultant decachlorobiphenyl. To detect the GC eluant, an electron capture detector (ECD) is used.
 

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