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111E1111111111111i .ttt. I• I• t• I• <br /> Calscience Environmq <br /> al Laboratories, Inc. <br /> Analytical Quality Control Report <br /> Client: Environmental Audit, Inc. <br /> Work Order No.: 93-06-370 Reviewed by: <br /> Method: EPA 602 <br /> Date(s) Analyzed: 06/30/93 Date Reviewed: 0 L/ 1�_ <br /> Page: 2 of 5 <br /> Matrix Spike and Spike Replicate Results <br /> I <br /> [Spike] Replicate Control Lima Control Limit <br /> Analye nLn elel Added [Matrix Spikel C (Matrix Spike] C %BEC °.R %RPD <br /> I <br /> Toluene ND 20 19 95 20 100 70 - 130 5 0-20 <br /> Chlorobenzene ND 20 18 90 19 95 70- 130 5 0-20 <br /> Ethylbenzene ND 20 18 90 20 100 70- 130 10 0-20 <br /> Toluene ND 20 18 90 19 95 70 - 130 5 0-20 <br /> Chlorobenzene ND 20 18 90 19 95 70 - 130 5 0-20 <br /> Ethylbenzene ND 20 18 90 19 95 70 - 130 5 0-20 <br /> I <br /> Page 2 of 5 notes <br /> 1 All concentration values contained herein are in ug/L (ppb) <br /> I <br />