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. PYA <br /> 07/18/98 <br /> QUALITY CONTROL REPORT DHS Certification #1400 <br /> Volatile Analyses <br /> Client: Foothill Engineering Date Received: 07/05196 <br /> 12793 Paddy Creek Lane Date Started: : 07/09196 <br /> Lodi, CA 95240 Date Complete: 07/11/96 <br /> ATTN: Ervin Rlfenburg <br /> Lab Report#: H6070504 Lab Sample #s PH0070724-730 <br /> Linearl Check: <br /> BTIX Benzene 0.9989 TPH Gasoline 0.9998 <br /> Toluene 0.9593 TPH Diesel N/A <br /> Ethyl Benzene 0.9996 Motor Oil NIA <br /> Xylenes 0.8898 TRPH (418.1) N/A <br /> MTBE N/A <br /> A <br /> Std % Repeatability MTBE Benzene Toluene Eth Benz Xylenes <br /> BT EX NIA 96 r 101 102 94 <br /> TPH Gasoline 99 TPH Diesel N/A <br /> TRPH (418.1) NIA TPH Motor Oil N/A <br /> RPD <br /> Matrix Spike Recoveries MS MSD ERR <br /> MTBE NIA NIA <br /> BTEX Benzene 98.0 96.0 3.1 <br /> Toluene 100.0 101.0 1.0 <br /> Ethyl Benzene 105.0 102.0 2.9 <br /> Xylenes 107.0 110.0 2.8 <br /> TPH Gasoline 91.0 88.0 3.4 <br /> TPH Diesel N/A N/A <br /> TRPH 418.1 N/A <br /> Method Blank MTBE Benzene Toluene Eth Benz Xylenes <br /> Bf•IX N/A C.3 ug/L <.3 u L <.3 u L <.3 ug/L_ <br /> TPH Gasoline e.50 u L TPH DiesellMO N/A TRPH(418.1) NIA <br /> Lab Control Sample% Recovery EPA Performance Acceptance Range <br /> BTEX Benzene 101 - 37.0 - . 151.0 <br /> Toluene 108 47.0 - 150.0 <br /> Ethyl Benz 101 36.9 - 1620 <br /> Xylenes 126 42.7 - 137.9 <br /> TPH Gasoline 102 35.0 - 130.1 <br /> TPH Diesel N/A 45.1 - 135.2 <br /> TRPH (418.1) N/A N/A <br /> Gloria Paling, Lab Director <br /> /C/f/qt6 - <br />