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CI-IR�MALAB, INC: :, ,�' " k s�,t;miss>lon # 2000-07;o2ss n ; <br /> r - <br /> Environmental Services(SOB) T :` <br /> t� <br /> To Wright Environmental Services Inc Test Method ' 8020 <br /> - # _,.. „! 8015M f - <br /> - <br /> Attn Mana Reid 4, 4 j; "_F Prep Method 5030 <br /> Batch QC Report ' <br /> Gas/BTEX <br /> Laboratory Control Spike (LCS/LCSD) Water QC Batch #2000107!24-01 02 <br /> LCS 2000107124-01 02-002 Extracted 07/24/2000 06 21 Analyzed 07/24/2000 06 21 <br /> LCSD 2000107124-01 02-003 Extracted 07/24/2000 06 52 Analyzed 07/24/2000 06 52 <br /> Compound Conc [ug/L] Exp Conc [ug/L] Recovery[% RPD Ctrl Limits(%] Flags <br /> LCS I LCSD LCS LCSD LCS I LCSD I%] Recovery RPD LCS I LCSD <br /> Gasoline 533 535 500 500 1066 1070 04 75-125 20 <br /> Benzene 920 85 3 1000 1000 920 853 7 6 77-123 20 <br /> Toluene 89 4 82 8 1000 1000 894 828 7 7 78-122 20 <br /> Ethyl benzene 835 78 7 1000 1000 835 787 5 9 70-130 20 <br /> Xylene(s) 255 243 300 300 85 0 81 0 4 8 75-125 20 <br /> Surrogate(s) <br /> TnFluorotoluene 452 391 500 500 904 782 58-124 <br /> 4-BromoFluorobenzene-Fl 579 594 500 500 1158 1188 50-150 <br /> 1220 Quarry Lane'Pleasanton CA 94566-4756 <br /> Telephone (925)484-1919'Facsimile (925)484-1096 <br /> Printed on 07/26/2000 17 06 Page 13 of 15 <br />