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I� 41111111 � � t � tt� 1• fi fi 111111111111111111F t ti <br /> Calscience Environm al Laboratories, Inc. <br /> Analytical Quality Control Report <br /> Client: Environmental Audit, Inc. <br /> Work Order No.: 94-03-472 Reviewed by: �` J �✓ <br /> Method: EPA 601 <br /> Date(s) Analyzed: 04/05/94 Date Reviewed: ' 1 rl 1 <br /> Page: 4 of 5 <br /> Matrix Spike and Spike Replicate Results <br /> [Spike] Replicate Control Limit Control Limit <br /> Anal)de rSam Added [Matrix Spike %REC (Matrix Spikel %REC EC % P % PD <br /> Carbon Tetrachloride ND 100 102 102 101 101 65 - 125 1 0-20 <br /> Chlorobenzene ND 100 106 106 11 7 117 65 - 125 11 0-20 <br /> 1,2-Dichloropropane ND 100 100 100 9 8 98 65 - 125 2 0-20 <br /> Trichloroethene ND 100 104 104 101 101 65 - 125 3 0-20 <br /> i <br /> Page 4 of 5 notes <br /> 1 All concentration values contained herein are in ug/L (ppb) 1 <br />