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1 <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 /> D912Z12000 QUALITY CONTROL REPORT DHS Certification 91400 ,e1 b <br /> Total Petroleum Hydrocarbons(TPH)Analysis Nancy Biedenweg, Lab Director' 0 t <br /> Client GEOLOGICAL TECHNICS, INC Date Received 06/1912000 <br /> 2741 RIVER RD Date Started 0612012000 <br />' MODESTO, CA 98351 Date Complete 0612112000 <br /> ATTN• RAY KABLANOW <br /> Lab Report* H0061905 Lab Sample ft. PH0060779-PH0060707 <br /> Llneari Ch--Ir. <br /> BTEX Benzene 0.9976 TPH Gasoline 0.9998 <br /> Toluene 09974 TPH Diesel NIA <br /> Ethyl Benz 09981 Motor Oil NIA <br /> Xylenes 09981 DIELECTRIC OIL NIA <br /> MTBE NIA <br /> Std % Rep22!jbility MTBE Benzene Toluene Eth Benz Xylenes <br /> 1BTEX NIA 103 101 101 101 <br /> TPH Gasoline 94 TPH Diesel WA <br /> DIELECTRIC OIL NIA TPH Motor Oil NIA <br /> Matrix$ ike Recoveries MS MSD RPD <br /> MTBE NIA NIA ERR <br />' BTEX Benzene 104 108 36 <br /> Toluene 100 108 7.7 <br /> Ethyl Benzen 97 99 20 <br /> Xylenes 101 106 4.8 <br /> TPH Gasoline 98 95 3.1 <br /> 1 TPH Diesel NIA NIA ERR <br />' Method Blank MTBE Benzene Toluene Eth Benz Xylenes <br /> BTEX NIA <.3 !!F <— 3 !gl �.3 g/L <,3 ug <br /> TPH Gasoline X50 ug(L TPH Diesel/MO NIA TRPH(4181) N/A <br /> Lab <br /> Centel Sample°!° Recovery EPA Performance Acceptance Range <br /> BTEX Benzene 104 731 - 124 <br /> Toluene 109 73.6 120 <br /> Ethyl Benz 99 725 - 118 <br /> Xylenes 109 727 - 121 <br /> TPH Gasoline 93 824 - 117 <br /> TPH Diesel NIA NIA - NIA <br /> TRPH (418.1) NIA NIA <br />' OFFICE (209)667-5258 FAX (209)667-2581 <br />