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Page 2 <br /> September 15, 1998 ORGANIC Quality Assurance Report for sample: 834462 <br /> Quality Assurance Cont'd. <br /> BATCH EPA CALIBRATION QA/QC METHOD QA/QC <br /> Constituent ID Method Units Type Conc. % REC AR NOTE Type Conc. % REC % REC AR % DIF MAV NOTE <br /> 1,3-Dichlorobenzene ON 2A1 524 2 u9/L CCV 10 0 99 9 70-130 BS 10 0 95 1 95.3 76-131 0 2 18 9 <br /> 1,4-Dichlorobenzene ON 2AII 524 2 ug/L CCV 10 0 98 0 7D-130 as 10 0 94 4 94.9 74-133 0.6 19 5 <br /> Dichlorodifluoromethan ON 2A11 524.2 ug/L CCV 10 0 109 70-130 BS 10 0 108 114 35-170 5.6 24 4 <br /> 1,1-Dichtoroethane ON 2A1 524 2 ug/L CCV 10 0 116 70-130 as 10 0 112 113 76-137 1 6 17 4 <br /> 1,2-Dichloroethane ON 2A1 524 2 ug/L CCV 10 0 108 70-130 as 10 0 105 140 69-138 4 4 24 3 <br /> 1,1-Dichloroethylene ON 2A1 524.2 ug/L CCV 10 0 116 70-130 as 10 0 111 117 65-152 5.6 18 3 <br /> cis-1,2-Dichtoroethyle ON 2A1 524 2 ug/L CCV 10 0 112 70-130 as 10 0 110 111 77-136 0 9 17 6 <br /> trans-1,2-Dichloroethy ON 2A1 524 2 ug/L CCV 10 0 112 70-130 8510 0 111 113 71-144 2 3 18 9 <br /> 1,2-Dichloropropane ON 2A1 524 2 ug/L CCV 10 0 96 8 70-130 as 10 0 97 3 96 5 69-140 4 8 21 6 <br /> 1,3-Dichloropropane ON 2A1 524 2 ug/L CCV 10.0 98 7 70-130 BS 10.0 97.5 94 0 73-136 3 6 21 8 <br /> 2,2-Dichloropropane ON 2A1 524 2 ug/L CCV 10 0 90 8 70-130 B5 10 0 92 4 86 6 71-146 6.1 17 4 <br /> 1,1-Dichloropropene ON 2A1 524 2 ug/L CCV 10 0 105 70-130 as 10 0 101 107 80-131 5 0 17 1 <br /> cis-1,3-Dichloropropen ON 2A1 524 2 ug/L CCV 9 40 106 70-130 BS 9 40 108 104 71-137 3 5 19 5 <br /> trans-1,3-Dichtoroprop ON ZA1 524 2 ug/L CCV 10 6 107 70-134 BS 10 6 106 103 74-137 2 7 20 6 <br /> Ethyt Benzene ON 2A1 524.2 ug/L CCV 10 0 103 70-130 as 10 0 99 7 102 79-128 2 5 18 0 <br /> Hexachlorobutadiene OH 2A1 524 2 ug/L CCV 10 0 101 70-130 BS 10 0 92 3 100 74-133 8 2 19 8 <br /> Isopropylbenzene ON 2A1 524 2 ug/L CCV 10 0 105 70-130 BS 10 O 101 104 79-134 3 2 17 9 <br /> p-Isopropyttoluene ON ZA1 524 2 ug/L CCV 10 0 105 70-130 BS 10 0 98 2 104 79-130 5 2 17 9 <br /> Methylene Chloride ON 2A11 524 2 ug/L CCV 10 0 111 70-130 BS 10 0 108 106 74-139 1 6 18.8 <br /> Methyl tert-Butyl Ethe ON 2AIJ 524 2 ug/L CCV 10 0 133 70-130 BS 10 0 125 101 64-139 20 9 24 6 <br /> Naphthalene ON 2A1 524 2 ug/L CCV 10-0 & 4 70 13D Bs 10 0 91.5 84 6 63-140 7.8 24 9 <br /> n-Propylbenzene ON 2A1 524 2 ug/L CCV 10 0 104 70-130 BS 10 0 96 9 103 77-130 5 8 18 5 <br /> Styrene ON 2A1 524 2 ug/L CCV 10 0 99 7 70-134 BS 10 0 96 7 97 4 75-134 0 6 18 9 <br /> 1,1,1,2-Tetrachloroeth ON 2A1 524 2 ug/L CCV 10 0 104 70-13085 10 0 101 101 75-130 0 1 18 8 <br /> 1,1,2,2-Tetrachloroeth OH 2A1 524 2 ug/L CCV 10.0 93 0 70 130 BS 10 0 91 8 88 3 66-139 3 8 25 5 <br /> Tetrachloroethylene ON ZA1 524.2 ug/L CCV 10 0 108 70-130 B5 10 0 1D5 109 73-134 4 2 18 2 <br /> FGL ID = 19980904 N/A => Not Appticable NOTE _> See note indicated below <br /> Table continued next page . . <br />