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0cb <br /> Curtis &Tompkins.Lid. <br /> LABORATORY NUMBER: 102490 - 6 DATE RECEIVED: 12/ 07/90 <br /> CLIENT: ENVIRONMENTAL SCIENCE & ENGINEERING DATE ANALYZED: 12/11/90 <br /> ' PROJECT ID: 6- 90 -5137/RYDER/STOCKTON DATE REPORTED: 12/12/90 <br /> SAMPLE ID: COMPOSITE WOE/VM <br /> 1 - <br /> ' PARAMETER RESULT UNITS REPORTING METHOD <br /> LIMIT <br /> ' CADMIUM 1 . 4 mg/Kg 0 . 5 EPA 6010 <br /> CHROMIUM 32 mg/Kg 0 . 5 EPA 6010 <br /> LEAD 14 mg/Kg 2 . 5 EPA 7420 <br /> ZINC 120 mg/Kg 0 . 5 EPA 6010 <br /> 1 <br /> 1 <br /> 1 <br /> ' QA/QC SUMMARY RPD, % RECOVERY, % <br /> CADMIUM 5 96 <br /> tCHROMIUM 4 101 <br /> LEAD 15 91 <br /> ZINC <1 99 <br />