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*1 <br /> 1' <br /> Sherwood <br /> DER AVENUE <br /> 8071 NORTH LAN <br /> Labs <br /> C O R P O R A T I O N PO BOX 937 <br /> HILMAR, CALIFORNIA 95324 <br /> —03 ^, ,•••• ITY -C REPO 'ert. 017400 <br /> Total Petroleum Hydrocarbons(TPH) Analysis <br /> Client: FOOTHILL ENGINEERING Date Received: 03/19/01 <br /> 12793 PADDY CREEK Date Started: 03/19/01 <br /> LODI, CA 95240 Date Complete: 03/26/01 <br /> ATTN: ERV RIFE:NBURG <br /> Lab Report #: H1031921 Lab Sample #:PH1031105-PH1031112 <br /> Linearity check <br /> BTEC Benzene 0.9998 TPH Gasoline 0 9992 <br /> Toluene 0.9996 TPH Diesel 0.9993 <br /> Ethyl Benz 0.9994 Motor Oil 0.9994 <br /> Xylenes 0.9992 TRPH (418.1) N/A <br /> MTBE 0.9999 <br /> std % RepeatabXlity MTBE Benzene Toluene Eth Benz Xylenes <br /> BTEX 107 107 104 107 109 <br /> TPH Gasoline 104 TPH Diesel 106 <br /> TRPH (418.1) N/A Motor Oil 107 <br />. Matrix Sp2.ke Recoveries MS MSD RPD <br /> MTBE 111 99 11 <br /> BTEX Benzene 109 98 11 <br /> Toluene 107 98 9 <br /> Ethyl Benz 97 99 2 <br /> Xylenes 114 101 12 <br /> TPH Gasoline 110 108 2 <br /> TPH Diesel 102 101 1 <br /> Method Bunk MTBE Benzene Toluene Eth Benz Xylenes <br /> BTEX <2 ug/L <.3 ug/L <.3 ug/L <.3 ug/L <.3 ug/L <br /> TPH Gasoline <50 ug/L Dleseel/MO <50 ug/L TRPH(418.1) N/A <br /> Lab control sample % Recovery EPA Performance Acceptance Range <br /> BTEX Benzene 103 73.1 - 124 <br /> Toluene 101 73.6 -- 120 <br /> Ethyl Benz 98 72.5 - 118 <br /> Xylenes 101 72.7 -- 121 <br /> TPH Gasoline 102 82.4 - 117 <br /> TPH Diesel 103 55.8 - 122 <br /> TRPH (418.1) F <br /> N/A <br /> Nancy Bzedenw r 3/2y/q <br /> OFFICE (209)667-5258 FAX (209)667-2581 <br />