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ffzSherwood8071 NORTH LANDER AVENUE <br /> LabsP.O.BOX 937 <br /> C 0 R P 0 R A r ► O N HILMAfl.CALIFORNIA 95324 <br /> 03124199 QUALITY CONTROL REPORT DHS Certiflcatlon#1400 ,, R " <br /> Total Petroleum Hydrocarbons(TPH)Analysis Nancy Biedenweg, Lab Directom v( <br /> Client: GEOLOGICAL TECHNICS, INC. Date Received: 03117199 <br /> 2741 RIVER RD. Date Started: : 03/18199 <br /> MODESTO, CA 95351 Date Complete: 03123199 <br /> ATTN: RAY KABLANOW <br /> Lab Report#: H9031802 Lab Sample#s: PH9030635-PH9030645 <br /> Linearity Check: <br /> BTEX Benzene 0.9997 TPH Gasoline 0.9998 <br /> Toluene 0.9994 TPH Diesel NIA <br /> Ethyl Benzene 0.9996 Motor Oil NIA <br /> Xylenes 0.9989 DIELECTRIC OIL NIA <br /> MTBE NIA <br /> Std % Re eatabili MTBE Benzene Toluene Eth Benz Xylenes <br /> BTEX NIA 97 99 103 101 <br /> TPH Gasoline 108 TPH Diesel NIA <br /> DIELECTRIC OIL NIA TPH Motor Oil NIA <br /> Matrix S Ike Recoveries MS MSD RPD <br /> MTBE NIA NIA ERR <br /> BTEX Benzene 93 99 6.3 <br /> Toluene 96 98 2.1 <br /> Ethyl Benzene 96 104 8.0 <br /> Xylenes 95 102 7.1 <br /> TPH Gasoline 102 101 1.0 <br /> TPH Diesel NIA NIA ERR <br /> Method Blank MTBE Benzene Toluene Eth Benz Xylenes <br /> BTEX NIA <3 u <3 USLKS <3 u <br /> TPH Gasoline <1 m TPH DiesellMO NIA TRPH(418.1) N/A <br /> Lab Control Sam pie% Recove EPA Performance Acceptance Range <br /> BTEX Benzene 105 73.3 - 126 <br /> Toluene 105 73.0 - 118 <br /> Ethyl Benz _ 105 71.2 - 418 <br /> Xylenes 108 T1.6 - 120 <br /> TPH Gasoline 135 68.0 - 150 <br /> TPH Diesel NIA 76.5 - 136.0 <br /> TRPH (418.1) NIA NIA <br /> OFFICE:(209)667-5258 FAX:(209)667-2581 <br /> 4 <br />