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STL Submission#:2004-02-0656 Submission#:2004-02.0656 <br /> ® STL <br /> Fuel Oxygenates by 82608 Fuel Oxygenates by 82608 <br /> H2OGeol H2OGeol <br /> Attn.:Gary Lowe Attn.:Gary Lowe <br /> PO Box 2165 PO Box 2165 <br /> Livermore,CA 94551-2165 Livermore,CA 94551-2165 <br /> Phone:(925)373-9211 Fax:( ) - Phone:(925)373-9211 Fax:( ) - <br /> Project:Nelson Ready Mix Received:02/20/2004 14:42 Project:Nelson Ready Mix Received:02/20/2004 14:42 <br /> Site: 2059 Navy Drive,Stockton,CA Site: 2059 Navy Drive,Stockton,CA <br /> _ Batch QC32'eport <br /> VW50301- Tests a26Q6 <br /> Method N-- ) Preps) 50368 <br /> Water Test(s� 62601 <br /> QCBafctF#2604/02/26 09 6$- y <br /> MB 17004/02/26 0fi 68 056 - D"ate Extracted 07626/2004 09.56 Laboratory CSnttol Sp1Ke Water <br /> G>`G'B'atch#:2b0490,7J'16'=f[��i <br /> LCS 2004/a2I26=01 68 031, Extracted:,62)26/2004 Rnalyzed 07%26/2064 f(131 <br /> Unit Analyzed Fla. <br /> Conc. RL Uni <br /> Compound LCSD ..=2004/02128 <br /> Benzene ND 0.5 ug/L 02(26/200409:56 Extracted:_07/26/2004'. Adaly ed 07/26/6b4r09.37` <br /> Toluene ND 0.5 ug/L 02/26/2004 09:56 Compound Cona uglL Exp.Cona Recovery% RPD Ctrl.Limts% Flags <br /> Ethylbenzene ND 0.5 ug/L 02/26/2004 09:56 LCS LCSD LCS LCSD % Rec. RPD LCS LCSD <br /> Total xylenes ND 1.0 ug/L 02/26/2004 09:56 Benzene - 20.9 21.0 25.0 83.6 84.0 0.5 69-129 20 <br /> Surrogates(s) Toluene 22.0 21.7 25.0 88.0 86.8 1.4 70-130 20 <br /> 1,2-Dichloroethane-d4 85.8 76-114 % 02/26/2004 09:56 Surrogates(s) <br /> Toluene-dB 91.7 88-110 % 1,2-Dichlorcethaned4 445 410 500 89.0 82.6 76-114 <br /> A2/26/2004 09:56 Toluene-d8 460 458 500 92.0 91.6 88-110 <br /> Severn Trent Laboratories,Inc. 02/271290417:18 Severn Trent Laboratories,Inc. 02/27/200417:18 <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 <br /> eoNwe�.,,,r,„nvc Tel 925 484 1919 Fax 9254841096 w .stl-incxom'CA DHS ELAP#2496 Page 3of4 Tel 925 484 1919 Fax 9254841096'w .stHnc.com'CA DHS EIRP#2496 Page 4of4 <br />