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STL Submission#:2004-02-0643 Submission#:2004-02-0643 <br /> STL <br /> Gas/BTEXFuel Oxygenates by 8260B (High Level) Gas/BTEXFuel Oxygenates by 8260B (High Level) <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 /> PrO�(s) 50306 Test(s)::8260B_ <br /> 5I30B Tests) 82506' <br /> Frep(s} <br /> MetWd&Bfank Soll aiC BaEchi�K2Q0/ 13 i e3 69 <br /> MB 2004/02/74 03 69 000 D'a'te Extracted 02/2$7200416 00;.. :LaboratoLyGoFitrdl Spike Soil`. QC`BatCh#'2U4/02/d-03:69: <br /> LCS 200'4/02/24--103,66-'623- Extracted 02/24F2004. Analjzed 07/2 112004 02 2 3: <br /> Compound Conc. RL Unit Anal ed Flag LGSD....2004/02!2403 69 d41...., Extracted`02/24/21104 Ahdryzed iQ7J25/EOp4"gT4:1 <br /> Benzene ND 500 ug/Kg 02/25/2004 03:00 <br /> Toluene ND 500. ug/Kg 02/25/2004 03:00 Compound Conc. ug/Kg F-xp.Conc. Recovery% jRPDj Ctd.Limits% Flags <br /> Ethyl benzene ND 500 ug/Kg 02/25/2004 03:00 LCS LCSD LCS LCSD % I Rec. RPD LCS LCSD <br /> Total xylenes - ND 500 ug/Kg 02/25/2004 03:00 Benzene 9410 9360 10000 94.1 93.6 0.5 69-129 20 <br /> Surrogates(s) - Toluene 9920. 10000 10000 99.2 100.0 0.8 70-130 20 <br /> 1,2-Dichloroethane-d4 100.2 70-121 % 02/25/2004 03:00 Surrogates(s) <br /> Toluene-d8 100.4 81-117 % 02/25/200403:00 '1,2-Dichloroethane-d4 230 220 250 92.0 88.0 70-121 <br /> Toluene-d8 - 249 249 250 99.6 99.6 81-117 <br /> O <br /> Severn Trent Laboratories,Inc. 0227/200411:57 Severn Trent Laboratories,Inc. 0227/200411:57 <br /> STL San Francisco•1220 Quarry Lane,Pleasanton,CA 94568 STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 <br /> Aon 1a—naxw Tel 925 484 1919 Fax 925 4841098'—.0-Inc.com•CA DHS ELAN 2496 Page 3 of 4 Tel 925 4841919 Fax 925 4841096•w .stHnc.com•CA DHS ELAPR 2496 Page 4 of 4 <br /> J <br />