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; <br /> i 04/29/97 <br /> QUALITY CONTROL REPORT DHS Certification #1400 <br /> i Volatile Analyas <br /> Client: DEL-TECH Date Received: 04/21197 <br /> 10824 OLIVE AVE Date Started: : 04/22197 <br /> OAKDALE, CA 95361 Date Complete: 04125/97 <br /> ATTN: DON LIGHT <br /> 'f Lab Report #: H7042102 Lab Sample #s PH7041790-1808 <br /> Linearity Check: <br /> BTEX Benzene 0.9999 - TPH Gasoline 0.9989 <br /> Toluene 0.9998 TPH Diesel N/A <br /> Ethyl Benzene 0.9989 Motor Oil NIA <br /> Xylenes 0.9999 TRPH (418.1) N/A <br /> MTBE 0.9998 <br /> Std % Repeatability MTBE Benzene Toluene Eth Benz Xylenes <br /> BTEC 88 100 100 103 103 <br /> TPH Gasoline 112 TPH Diesel N/A <br /> I TRPH (418.1) NIA TPH Motor Oil NIA <br /> Matrix Spike Recoveries MS MSD RPD <br /> MTBE 99.0 99.0 0.0 <br /> STEX Benzene 98.0 102.0 4.0 <br /> Toluene 1020 104.0 1.9 <br /> Ethyl Benzene 101.0 102.0 1.0 <br /> Xylenes 102.0 103.0 2.9 <br /> I TPH Gasoline 105.0 108.0 2.8 <br /> TPH Diesel NIA N/A <br /> TRPH 418.1 N/A <br /> Method Bia7n7k:= MTBE Benzene Toluene Eth Benz Xylenes <br /> STEX N/A <3 u L <.3 u L c.3 u L <.3 u L <br /> TPH Gasoline C50 L TPH DieselfMO N/A TRPH(418.1) N/A <br /> i Lab Control Sample % Recovery EPA Performance Acceptance Range <br /> BTEX Benzene 93 37.0 - 151.0 <br /> Toluene 10147.0 - 150.0 <br /> Ethyl Benz 108 38.9 - 102.0 <br /> V.1 A AA AA 7 * ./97 A <br /> xylle es tua y,�.r <br /> ` TPH Gasoline 125 33.0 - 130.1 <br /> TPH Diesel N/A 43.1 - 135.2 <br /> TRPH (418.1) N/A NIA <br /> Nancy Biedenweg, Lab Director <br /> } <br />