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+ r� -} <br /> cHRonnA B,�41NC:= �{ - .�'t Submission#: 2000-01-IM7 ;_�,_�k; <br /> Environmental Services(SDB) <br /> + To Wright Environmental Services Inc Test Method 8020 <br /> ' 8015M <br /> Attn Mana Reid v Prep Method 5030 <br /> Batch QC Report <br /> Gas/BTEX <br /> Laboratory Control Spike (LCS/LCSD) Water QC Batch #2000L <br /> 05 <br /> LCS 2000/01/31-0105-002 Extracted 01/31/2000 07 01 Analyzed 01/31/200LCSD 2000101131-010&003 Extracted 01/31/2000 07 36 Analyzed 01/31/200 <br /> Compound Conc [ug/L] Exp Cone [ug/L] Recovery[%] RPD Ctrl Limits[%] Flags <br /> LCS LCSD LCS LCSD LCS LCSD [%] Recovery RPD LCS LCSD <br /> Gasoline 598 578 500 500 1196 1156 34 75-125 20 <br /> Benzene 115 111 1000 1000 1150 1110 .35 77-123 20 <br /> Toluene 112 105 1000 1000 1120 1050 65 78-122 20 <br /> Ethyl benzene 114 105 1000 1000 1140 1050 82 70-130 20 <br /> Xylene(s) 322 301 300 300 1073 1003 67 75-125 20 <br /> Surrogate(s) <br /> Tnfluorotoluene 590 541 500 500 1180 1082 58-124 <br /> 14Bromofluorobenzene-FI 500 481 1 500 1 500 110001 9621 1 50-150 <br /> s <br /> 1220 Quar y Lane"Pleasanton,CA 94566-4756 <br /> Telephone (925)4841919•Facsimile (925)484-1096 <br /> Printed on 02/01/2000 11 o8 Page 6 of 6 <br />