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' Sherwood <br /> 8071 FORTH LANDER AVENUE <br /> Labs P.O. BOX 937 <br /> O 0 R P 0 R A T 1 0 N HILMAR,CALIFORNIA 95324 <br /> 01106!98 QUALITY CONTROL REPORT DHS Certlfleation 01400 <br /> Volatile Analyses Nancy Biedenweg, Lab Director <br /> G <br /> Client: FOOTHILL ENGINEERING Date Received: 12/30/98 <br /> 12793 PADDY CREEK LN Date Started: : 12130198 <br /> LODI, CA 95240 Date Complete: 01103!99 <br /> ATTN.- ERVIN RiFENBURO <br /> Lab Re rt 4: H8123010 Lab Sample#s: PH8121 563-1 958 <br /> Linearity Check: <br /> BTEX Benzene 0.9993 TPH Gasoline 0.9$97 <br /> Toluene 0.9997 TPH Diesel NI_ <br /> Ethyl "nzene 0.9M _ Motor Oil NIA <br /> Xylenes 0.9978 TRPH (41$.1) , A <br /> MTBE —0.9 <br /> - fl <br /> Std%ftMt_abIfiW MTBE Benzene Toluene Eth Benz Xylenes <br /> BTEX 95 99 101 91 105 <br /> TPH Gasoline 96 TPH Diesel NIA <br /> TRPH (418.1) NIA TPH Motor Oil NIA <br /> I <br /> Matrix;Spike Recoveries MS MSD RPD <br /> MTBE 92 104 12.2 <br /> BTEX Benzene 94 101 1.22 <br /> Toluene 96 99 3.11 <br /> Ethyl Benzene Be 100 2.00 <br /> Xylenes 97 _ 97 0.00 <br /> TPH Gasoline 3 llt6 fns! nificant relative to sample concentration ERR <br /> TPH Diesel A _ N/A ERR <br /> Method Blank MTBE Benzene Toluene Eth Benz xylenes <br /> ones <br /> 9TEX 9 u -3 u .3 <br /> TPH Gasoline <54 TPH DlesellMO N/A TRPH(418.1) N� /� <br /> Lab Control Sample X Recove EPA Performance Acceptance Range <br /> BTEX Benzene 94 73.3 - 126 <br /> -'-Toluene s 73.0 - lie <br /> Ethyl Benz 8571.2 - 118 <br /> X 71.6 - 120 <br /> Xylenes <br /> TPH Gasoline — 105 — 58.0 - 150 <br /> TPH Diesel NIA, NIA - NIA <br /> TRPH (418.1) NIA _ NIA <br /> OffIGE, (ZQq) §87.5256 + FAX; (209) 667-2561 . BBS: (209) 667-4119 <br /> TOTAL P.O1 <br />--- -------- ---- - ------- ------ -- - --- -- ----- - -- ---- ---- - - ---------------------- ---- ------ ----------- ------- <br />