Response to EPA Comments: RCRA Facility Investigation Phase I ...

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VOA The sample was analyzed well within holding time, but since there is no documentation as to whether the sample was kept at 4° C or not in the field or during transport and volatiles readily disappear at elevated temperatures the data is judged to be estimated (J). Problem Action No Documentation of Preservation J - All Data ABN/PCB/Pesticides/Herbicides The sample was extracted three to four days after collection and analyzed one to two days after extraction. The laboratory was well within EPA holding time criteria. Semivolatiles are not as likely to disappear if the temperature was above 4° C. In the professional judgment of the validator the sample data does not require qualification. Inorganics The samples were digested, prepared and analyzed within fourteen days of collection. Using professional judgment the data has not been qualified. V. Initial and Continuing Calibrations The laboratory's QAPP (Section 10) specifies that the acceptance criteria between the initial calibration response factors and continuing calibration check response factors for any analyte is 30%D for GC/MS analysis and 15%D for GC analysis. VOA The compounds that exceeded the %D criteria of
Herbicides Listed in the table below are the compounds that exceeded the %RSD and %D criteria of
Page 1 and 2: PREPARED FOR: Envirite Corporation
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Page 7 and 8: EnviRiTE coRPORarion TECHNOLOGY FOR
Page 9 and 10: -04/18/87 FRI 12:04 PAI 4109920347
Page 12 and 13: Data Validation Report for Envirite
Page 14 and 15: Mr. Tom Stark GZA GeoEnvironmental,
Page 16 and 17: Listed below are the Region I EPA r
Page 20 and 21: Inorganics Listed in the table belo
Page 22 and 23: Analyte Rec. (mg/kg) QC Limits Acti
Page 24 and 25: lAELES
Page 26 and 27: Table II - Overall Evaluation of Da
Page 28 and 29: Data Summary Table - Volatiles Samp
Page 30 and 31: Data Summary Table - PCBs/Pesticide
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Page 64 and 65: REGION I Data Review Worksheets IX.
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APPENDIX F
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