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i <br /> 1� i _q•ywa�� . u` + � - c_ Ar u ...w1 . _ * �.,�i-• J_ � a. ,r. _ �!1 f ` Jas .- y mo-+ <br /> 'CHROMALAB, INC: r � � ' ' y, Submission * <br /> r 2000-07-0288 ' <br /> _ �'�i 15;w r-f t y Environmental Services(SDS) `v� •� +.��` +�+ - f���� ° j} - k � ""?' ��;�h. <br /> r <br /> To Wright Environmental Services Inc = _ Test Method 8020 - <br /> Attn - Mana Reid ° •� 4 - Z. �,'-' Prep Method 5030 <br /> 'r fE Batch QC Report <br /> Nt • <br /> Gas/BTEX <br /> Matrix Spike ( MS t MSD) Water QC Batch#2000107124-01 02 <br /> . Sample ID MW-8 Lab Sample ID 2000-07-0288-008 <br /> MS 2000107124-01 02-004 Extracted 07/24/2000 19 53 Analyzed 07/24/2000 19 53 Dilution 1 0 `- <br /> MSD 2000/07124-01 02-005Extracted 07/24/2000 20 25 Analyzed 07/24/2000 20 25 Dilution 1 0 <br /> �1 <br /> Compound Cona (ug/L I Exp Conc u IL lRecovery[%I RPD I Ctrl Limits(%] Flags ' <br /> MS I MSD Sample MS MSD I MS I MSD [%] Recovery) RPD I MS I MSD <br /> Gasoline 485 509 ND 500 500 970 1018 46 65-135 20 <br /> Benzene 86 5 853 ND 1000 1000 86 5 853 14 65-135 20 <br /> Toluene 838 823 ND 1000 1000 838 82 3 1 8 65-135 20 <br /> Ethyl benzene 795 779 ND 1000 1000 795 779 2 0 65-135 20 <br /> Xylene(s) 243 238 ND 300 300 810 793 21 65-135 20 <br /> i <br /> Surrogate(s) <br /> Tnfluorotoluene 403 387 500 500 80 6 774 58-124 <br /> 4-Bromofluorobenzene- 542 557 500 500 1084 1114 50-150 <br /> t <br /> _ I <br /> 1220 Quarry LanePleasanton,CA 94566-4756 <br /> Telephone (925)484-1919'Facsimile (925)484-1096 <br /> Pnnted on 07/26/2000 17 06 Page 15 of 15 <br />