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cbCurtis &Tompkins. Lid. <br /> LABORATORY NUMBER: 102940 -3 DATE RECEIVED: 01 / 29/91 <br /> CLIENT: ENVIRONMENTAL SCIENCE & ENGINEERING DATE REQUESTED: 02/06/91 <br /> ' PROJECT ID: 6 - 90 - 5157 DATE ANALYZED: 02/08/91 <br /> LOCATION: RYDER-STOCKTON DATE REPORTED: 02/ 12/91 <br /> SAMPLE ID: COMP B1 -5 ' & B1 - 10 ' <br /> ' PARAMETER RESULT UNITS REPORTING METHOD <br /> LIMIT <br /> ' CADMIUM 1 . 6 mg/Kg 0 . 5 EPA 6010 <br /> CHROMIUM 33 mg /Kg 0 . 5 EPA 6010 <br /> LEAD ND mg/Kg 2 . 5 EPA 7420 <br /> NICKEL 32 mg/Kg 0 . 5 EPA 6010 <br /> ZINC 55 mg/Kg 0 . 5 EPA 6010 <br /> ND = Not detected at or above reporting limit . <br /> QA/QC SUMMARY <br /> RPD, <br /> =%oRECOVERY, <br /> =%o <br /> CADMIUM 8 110 <br /> ' CHROMIUM 7 108 <br /> LEAD 16 118 <br /> NICKEL 1 114 <br /> ' <br /> ZINC <br /> 3==========110=====______________ <br />