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1 <br /> d <br /> r <br /> July 1992 <br /> Ju y 2, <br /> The following results are for the samples received at the Alton Pleasanton Laboratory on June <br /> 19, 1992 The samples were received chilled, intact, and with Cham of Custody Samples <br /> were preserved with a 1 1 HCI to a pH < 5 Analyses performed using the EPA method 5030 <br /> with DHS method for TPH determination and with EPA method 8020 for BTEX distiction <br /> This report applies to the sample or samples investigated, and is not necessarily indicative of <br /> the quality of apparently identical or similar samples <br /> James Baker <br /> Senior Chemist <br /> 1 <br />