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' • • cb Curtis &Tompkins, Ltd, <br /> ' LABORATORY NUMBER: 102774 DATE RECEIVED: 01 / 18 /91 <br /> CLIENT: ENVIRONMENTAL SCIENCE & ENGINEERING DATE ANALYZED: 01 / 21 /91 <br /> ' JOB #: 6 - 90 - 5137 DATE REPORTED: 01 / 21 /91 <br /> LOCATION: RYDER-STOCKTON <br /> EPA 418 . 1 : Total Recoverable Petroleum Hydrocarbons by IR <br /> Extraction Method : EPA 3550 <br /> LAB ID CLIENT ID RESULT REPORTING <br /> (mg/Kg ) LIMIT <br /> (mg/Kg) <br /> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <br /> ' 102774 - 1 SP- 1 7 , 100 500 <br /> 102774 - 2 SP- 2 6 , 200 250 <br /> 102774 - 3 SP-3 7 , 800 250 <br /> 102774 -4 SP- 4 2 , 800 100 <br /> 102774 - 5 SP- 5 2 , 600 50 <br /> 102774 - 6 S- 1 19 10 <br /> 102774 - 7 S- 2 3 , 800 50 <br /> 102774 -8 S- 3 4 , 200 50 <br /> 102774 - 9 S- 4 360 10 <br /> 102774 - 10 S - 5 21 10 <br /> 102774 - 11 S - 6 240 10 <br /> 102774 - 12 S-7 8 , 000 50 <br /> 102774 - 13 S- 8 3 , 900 50 <br /> ' 102774 - 14 S- 9 280 10 <br /> 102774 - 15 S- 10 820 10 <br /> 102774 - 16 S- 11 47 10 <br /> ii <br /> QA/QC SUMMARY <br /> ---------------------------------------------------------------------- <br /> ---------------------------------------------------------------------- <br /> ' RPD, % 5 <br /> RECOVERY, % 108 <br />