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Page 2 <br /> February 2, 1996 ORGANIC Quality Assurance Report for sample: 630471 <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 /> Methylene Chloride OK 3A 601 ug/L LCS 5.00 132 75-125 305 MS 5.00 134 127 75-125 5.3 20.0 415 <br /> 1,1,2,2-Tetrachloroeth OK 3A 601 ug/L LCS 5.00 117 75-125 N/A <br /> Tetrachloroethylene OK 3A 601 ug/L LCS 5.00 144 75-125 305 MS 5.00 116 114 75-125 0.7 20.0 <br /> 1,.1,1-Trichloroethane OK 3A 601 ug/L LCS 5.00 167 75-125 305 MS 5.00 124 123 75-125 0.7 20.0 <br /> 1,1,2-Trichloroethane OK 3A 601 ug/L LCS 5.00 124 75-125 MS 5.00 82.3 54.2 75-125 41.2 20.0 415 <br /> Trichloroethylene OK 3A 601 ug/L LCS 5.00 129 75 125 305 MS 5.00 180 183 75-125 1.8 20.0 415 <br /> Trichlorofluoromethane OK 3A 601 ug/L LCS 5.00 100.0 75-125 MS 5.00 96.3 94.3 75-125 2.1 20.0 <br /> Vinyl Chloride OK 3A 601 ug/L LCS 5.00 90.7 75-125 MS 5.00 113 114 75-125 1.1 20.0 <br /> TPH Gas OQ13A 8015M mg/L LCS 1.38 90.0 75-125 BS 2.50 85.4 98.1 75 125 13.8 20.0 <br /> FGL ID = 19960125 N/A => Not Applicable NOTE _> See note indicated below. <br /> Notes: <br /> 415 Matrix Spike (MS) not within Acceptance Range (AR) and/or Relative Percent Difference (RPD) not within <br /> the Maximum Allowable Value (MAV) . Data was confirmed by reanalysis. Batch qualified based on the LCS, ICV, <br /> or CCV recovery. <br /> 305 LCS not within Acceptance Range (AR) . <br /> Batch was qualified based on ICV/CCV recovery. <br /> .FGL ENVIRONMENTAL, INC. <br /> KW:jgc <br /> Kurt Wilkinson, , QA/QC Director <br />