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LABORATORY NARRATIVE <br /> TO-3 R E C EA , <br /> Environmental Audits JUL - 7 , „F <br /> Workorder# 0106464 <br /> ENViR0MWEv4 <br /> Three 1 Liter Tedlar Bag samples were received on June 22, 2001 The laboratory performed analysis via <br /> modified EPA Method TO-3 for Benzene, Toluene, Ethylbenzene, Xylenes, Total Petroleum <br /> Hydrocarbons (TPH) BTEX was analyzed via GC/PID and TPH via GC/FID The TPH results are <br /> calculated using the responses of Gasoline The method involves concentrating up to 200 mL of sample <br /> The concentrated aliquot is then dry purged to remove water vapor prior to entering the chromatographic <br /> system. See the data sheets for the reporting limits for each compound <br /> 1 Receiving-Notes <br /> There were no receiving discrepancies <br /> Analytical Notes <br /> There were no analytical discrepancies <br /> Definition of Data Ouahfyin2 Flaes <br /> Seven qualifiers may have been used on the data analysis sheets and indicate as follows <br /> B - Compound present in laboratory blank greater than reporting limit <br /> J Estimated value <br /> W - Exceeds instrument calibration range <br /> S - Saturated peak <br /> Q - Exceeds quality control limits <br /> U- Compound analyzed for but not detected above the detection limit <br /> M - Reported value may be biased due to apparent matrix interferences <br /> r <br /> Page 2 <br />