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Inchcape Testing Services <br /> Environmental Laboratones <br /> REPORT DATE 8-JAN-1997 REPORT NUMBER D96-14767 <br /> rSAMPLE SUBMITTED BY ITS/San Jose <br /> ATTENTION Ms Sue Patel <br /> PROJECT 9612189 2996 00 <br /> LABORATORY QUALITY CONTROL REPORT <br /> ANALYTE Benzene Ethylbenzene Methane Ethane Ferrous iron <br /> BATCH NO 46-122696 46-122696 F122796-1 F122796-1 973004 <br /> LCS LOT NO AB709-78A AB709-78A --- --- 950032C <br /> PREP METHOD - <br /> - --- EPA 3810 EPA 3810 --- <br /> PREPARED BY -- --- S_S S_5 --- <br /> ANALYSIS METHOD EPA 8020 EPA 8020 ASTM D1945 ASTM 01945 SM 3500-Fe D <br /> ANALYZED BY JCH JCH S—S S S ADG <br /> UNITS Aq/L <br /> u9/L ppbw ppbw mg/L <br /> METHOD BLANK < 2 00 < 2 00 < 0 50 < 0 50 < 0 05 <br /> SPIKE LEVEL 200 200 3 45 6 54 2 00 <br /> SPK REC LIMITS 39 0 - 150 32 0 - 160 70 0 - 130 70 0 - 130 80 0 - 120 i <br /> SPK RPD LIMITS 20 0 20 0 30 0 1 30 0 10 0 <br /> MS RESULT 206 224 8 52 5 73 NS <br /> MS RECOVERY % 103 112 93 6 87 6 NS <br /> MSD RESULT 215 231 7 90 5 16 NS <br /> MSD RECOVERY % 108 116 75 7 78 9 NS <br /> MS/MSD RPD % 4 28 3 08 21 2 10 5 NS <br /> BS RESULT NA NA 4 10 6 76 2.10 <br /> BS RECOVERY % NA NA 119 103 105 <br /> BSD RESULT NA NA 4 31 7 11 2 02 <br /> BSD RECOVERY % NA NA 125 109 101 <br /> BS/BSD RPD % NA NA 4 99 5 05 3 88 <br /> DUP RPD LIMITS --- --- _ <br />' DUPLICATE RPD % NA NA NA NA NS <br /> LCS LEVEL 20 0 20 0 3 49 6 54 2 00 <br /> LCS REC LIMITS 39 0 - 150 32 0 - 160 70 0 - 130 70 0 - 130 80 0 - 120 <br /> LCS RESULT 10 8 22 8 SEE—BS SEE BS 1 99 <br /> LCS RECOVERY % 54 0 114 SEE—BS SEE—BS 99 5 <br /> SPIKE SAMPLE ID 14767-3 14767-3 14797-7 14797-7 <br /> SAMPLE VALUE < 2 00 < 2.00 5 29 < 0 500 --- <br /> ^SUP SAMPLE iD --- --- _-- --- _-- <br /> DUP SAMPLE VAL/1 --- --- --- <br /> DUP SAMPLE VAL/2 --- --- <br /> NA Not applicable <br /> SEE 8S LCS and LCS Duplicate repported as BS and BSD <br /> NS — Insufficient sample available for MS/MSD BS/BSD used <br />