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• r <br /> Sherwood <br /> Labs 8071 NORTH LANDER AVENUE <br /> C O R P O R A T 1 0 N PO BOX 937 <br /> HILMAR, CALIFORNIA 95324 <br /> 09116!99 QUALITY CONTROL REPORT DHS Certification X1400 <br /> Total Petroleum Hydrocarbons(TPH)Analysis Nancy Bledenweg, Lab Director <br /> Client: FOOTHILL ENGINEERING Date Received: 09/09/99 <br /> 12793 PADDY CREEK LN Date Started . 09110/99 <br /> LODI, CA 93240 Date Complete: 09115/99 <br /> ATTN. ERVIN RIFENBURG <br /> Lab Re ort At H9090904 Lab Sample ft PH9090317 <br /> Lineaft Check. <br /> BTEX Benzene 09995 TPH Gasoline 1 0000 <br /> Toluene 09995- TPH Diesel 09998 <br /> Ethyl Benzene 09955 Motor Oil 09973 <br /> Xylenes 09970 TRPH (418 1) NIA <br /> MTBE 0.9998 <br /> Std%Repeatability MTBE Benzene Toluene Eth Benz Xylenes <br /> BTEX 108 104 107 105 109 <br /> TPH Gasoline 105 TPH Diesel 99 <br /> TRPH (418.1) NIA TPH Motor Oil 96 <br /> Matrix Spike Recoveries MS MSD RPD <br /> MTBE 105 105 00 <br /> BTEX Benzene 105 103 19 <br /> Toluene 104 102 19 <br /> Ethyl Benzene 114 117 26 <br /> Xylenes 106 106 00 <br /> TPH Gasoline 98 99 10 <br /> TPH Diesel 99 102 30 <br /> Method Blank MTBE Benzene Toluene Eth Benz Xylenes <br /> BTEX SSU ugKg Q uI/ KK <3 Hg�jg <3 ug/Kg Ci u <br /> TPH Gasoline <l TPH DieselIMO <S mWK& TRPH(418.1) NIA <br /> Lab Control Sample% Recove EPA Performance Acceptance Range <br /> BTEX Benzene 100 731 - 124 <br /> Toluene 114 736 - 120 <br /> Ethyl Benz 112 725 - 118 <br /> Xylenes 103 72.7 - 121 <br /> TPH Gasoline 104 66.0 - 150 <br />. TPH Diesel 103 NIA - NIA <br /> TRPH (418 1) NIA NIA <br /> OFFICE (209) 667-5258 FAX (209)667-2581 <br />