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C H RO MA LA B, INC. Submission # 1999-06-0242 <br /> Environmental Services (SOB) a <br /> To Azure Environmental Test Method 8015M <br /> 8020 <br /> Atte Jeff Hennrer Prep Method 5030 <br /> Batch QC Report <br /> Gas/BTEX <br /> Laboratory Control Spike (LCSILCSD) Water QC Batch# 1999105121-01.03 <br /> LCS 1999106121-01 03-002 Extracted "06121/1999 b6_36 - -Analyzed - 06/21/1999 06 36 <br /> --LCSD - "l 999/06/21-01 03=003 —'Extracted`Extracted 0612111999 07 30- -Analyted--0612111999-0730-- <br /> Compound <br /> 730--Compound i Conc (ug/L] Exp Conc [ug/L] Recovery[% RPD If Ctrl Limits[%] Flags _ <br /> LCS ; LCSD LCS LCSD LCS LCSD I [%] 'Recovery i RPD 4 LCS LCSD <br /> Gasoline 1491 531 500 1 500 9821 1062 78 75-125 20 <br /> Benzene j 888 927 1000 1000 88 6i 927 1 43 77-123 20 <br /> Toluene 865 915 1000 1000 86 5 91 5 56 78-122 20 <br /> Ethyl benzene 830 190 4 i 1000 1000 830 904 85 70-130 20 <br /> Xylene(s) 237 254 300 300 79 0' 847 70 75-125 20 <br /> Surrogate(s) <br /> Tnfluorotoluene 395 1427 500, 500 71058-124 85 4 58-124 <br /> 4-Bromofluorabenzerie-Fl 571 605 500 500 1 114 21 12101 1 50-150 I <br /> r <br /> i <br /> 1 <br /> • <br /> 1220 Quarry Lane'Pleasanton,CA 94566-4756 ' <br /> Telephone (925)484-1919'Facsimile (925)4841096 <br /> Printed on 061241199917 34 Page 13 of 15 <br />