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'4ABORATORY NARRATIVE • <br /> TO-3 RECEI : ',. <br /> Environmental Audits JUL _ 7 :' -"i <br /> Workorder# 0106464 <br /> ENVIRONMEWA-,�WIT <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 /> Receivin¢Notes <br /> There were no receiving discrepancies. <br /> Analytical Notes <br /> There were no analytical discrepancies. <br /> Definition of Data Oualifvin¢Fla¢s <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 /> E - 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 /> Page 2 <br />