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�- "yf a <br /> a '� i 3�."4 h�M1 i�','yr[�!i �s.. c ti. •�� '�N +„ A''�x s'«r . 4.. °r' ai S N °r sllY �a -� + .... �,.+ �' <br /> �c <br /> � <br /> 4Y- ' submle r�on # 2`0 <br /> ry tMw� CHROMALABcINC 1x_. -` 'Y"_ -'Environmental Services(SDB) i <br /> � <br /> s <br /> y To Wright Environmental Services Inc Test Method 8015M <br /> 8020 <br /> sozl a <br /> Attn Mana Reid Prep Method 5030 <br /> Batch QC Report <br /> Gas/BTEX <br /> Laboratory Control Spike(LCS/LCSD) Water QC Batch#2000110127-01.01 - <br /> x; <br /> LCS 2000110127-01 01-002 Extracted 10/27/2000 03 25 Analyzed 10/27/2000 03 25 <br /> LCSD 2000/10/27-0101-003 Extracted 10/27/2000 04 00 Analyzed 10/27/2000 04 00 <br /> Compound Conc [ug/L] Exp Conc [ug/L] Recovery 19b RPD Ctrl Limits[%] Flags <br /> LCS LCSD LCS LCSD LCS LCSD 1%] Recovery RPD LCS LCSD <br /> Gasoline 577 566 500 500 1154 1132 19 75-125 20 <br /> Benzene 965 100 1000 1000 965 1000 36 77-123 20 <br /> Toluene 917 952 1000 1000 91 7 952 37 78-122 20 <br /> Ethyl benzene 930 976 1000 1000 930 976 48 70-130 20 <br /> Xylene(s) 270 281 300 300 900 937 40 75-125 20 <br /> Surrogate(s) <br /> Tnfluorotoluene 393 409 500 500 786 818 58-124 <br /> 4-Bromofluorobenzene-FI 477 469 500 500 954 938 50-150 <br /> 1220 Quarry Lane•Pleasanton,CA 94566-4756 <br /> Telephone (925)484-1919•Facsimile (925)484-1096 <br /> Printed on 10/31/2000 16 51n <br /> Page 15 of 19 <br /> ,Y F'"rid♦ <br />