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Page: 4 <br /> IT ANALYTICAL SERVICES <br /> company: IT corporation, Martinez SAN JOSE, CA <br /> Date, 07/02/90 <br /> Client Work IDs 142089 Pacific Bell Work Orders TO-06-107 <br /> TEST CODE 602 TEST NAME Aromatics by 8020/602 <br /> The method of analysis for volatile aromatics is taken from E.P.A Methods <br /> 602 and 8020. Samples are examined using the purge and trap technique. Final <br /> detection is by gas chromatography using a photoionization detector. <br /> TEST CODE TPHK TEST NAME TPH High Boiling by 8015 <br /> The method of analysis for high boiling hydrocarbons involves extracting <br />' the samples with solvent and examining the extracts by gas chromatography <br /> using a flame ionization detector. <br /> 662 1 e; <br />