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I <br /> Page: 8 <br /> IT ANALYTICAL SERVICES <br /> Company: ' IT Corporation, Martinez SAN JOSE, CA <br /> Date: 07/19/90 <br /> Client Work ID: 142089 Pacific Bell Work Order: TO-06-261 <br /> I <br /> TEST CODE BTEY TEST NAME BTEY by 8020/602 <br /> The method of analysis for volatile aromatics is taken from E.P.A. <br /> Methods 602 and 8020. Samples are examined using the purge and trap technique. <br /> Final detection is by gas chromatography using a photoionization detector. <br /> TEST CODE TPHN TEST NAME n TPH High Boiling_ g _ g by 8015 <br /> The method of analysis for high boiling hydrocarbons involves extracting 1 <br /> the samples with solvent and examining the extracts by gas chromatography <br /> using a flame ionization detector. c <br /> 3 <br /> I <br /> I <br /> - I <br /> 1 <br /> 662-1-e9 <br />