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BROWN AND CALDWELL LABORATORIES <br /> BATCH QC REPORT <br /> ORDER E8909390 <br /> y _ <br /> DATE REPORTED 10/06/89 Page 1 <br /> ' MATRIX QC ACCURACY (SPIKES) <br /> ' DATE BATCH SBAR TRUE PERCENT <br /> PARAMETER ANALYZED , NUMBER RESULT VALUE UNIT RECOVERY <br /> + EPA Method 8010 <br /> x 1, 1, 1-Trichloroethane 09.23.89 400 12 12 ug/L 100 <br /> 1, 1-Dichloroethane 09.23.89 400 13 12 ug/L . 108 <br /> + 1, 1-Dichloroethene 09.23.89 400 9.3 1? ug/L 78 <br /> 1,2-Dichloroethane 09.23.89 400 15 14 ug/L 108 <br /> 1,2-Dichloropropane 09.23.89 400 12 12 ug/L 100 <br /> f 09.23.89 400 12.5 12 ug/L 104 <br /> Bromodichloromethane <br /> Bromoform 09.23.89 400 10.45 12 -ug/L 87 <br /> Carbon Tetrachloride,. 09.23.89 400 11 12 ug/L 92 <br /> Chloroform 09.23.89 400 11 12 -,ug/L 92 <br /> Dibromochloromethane. 09.23.89 400 - 11.5 12 ug/L 96 <br /> Methylene chloride 09.23.89 400 11 12 ug/L 92 <br /> Trichloroethene 09.23.89 400 11 12 ug/L 92 <br /> Tetrachloroethene 09.23.89 400 10 12 ug/L 83 <br /> EPA Method 8010 <br /> 1, 1,1-Trichloroethane 09.25-89 394 60 60 ug/L. 100 <br /> ,1-Dichloroethane 09.25.89 394 :.66.5 60 ug/L 111 <br /> , 1-Dichloroethene 09.25.89 394 " 58 60 ug/L 97 <br /> 1,2-Dichloroethane 09.25.89 394 77.5 60 ug/L 129 <br /> 1,2-Dichloropropane 09.25.89 394 ' 67.5 60 ug/L 113 <br /> Bromodichloromethane; 09.25-89 394 68.5 60 ug/L 114 <br /> Bromoform " 09.25.89 394 ",'.-62.560 'ug/L 104 <br /> Carbon Tetrachloride, 09.25.89 394 59 60 ug/L 98 <br /> Chloroform09.25.89 394 61 60 ug/L 102 <br /> Dibromochloromethane 09.25.89 394 . 63.5 60 ug/L106 <br /> Methylene chloride 09.25.89 394 72 60 ug/L 120 <br /> Trichloroethene 09.25.89 394 59 60 ug/L' 98 <br /> Tetrachloroethene 09.25.89 394 .59 60 ug/L 98 <br /> 4 <br /> I <br /> C BROWN AND CALDWELL LABORATORIES <br />