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ti 4 Ms Jan Sudorruer, SJVAPCD November 25,2003 Second Source Test Report Project No 2007-0065-01 Page 3 Based on analytical results of air samples collected on November 3, 2003, TPHG, benzene, and MTBE were extracted at the rate of approximately 0 27 lbs/day, less than 0 0005 lbs/day, and 0 152 lbs/day, respectively The mass emission rates for TPHG, benzene, and MTBE were calculated to be less than 0 28 Ibs/day, less than 0 0003 lbs/day, and less than 0 0003 lbs/day, respectively The destruction efficiency of the SVE system for TPHG was estimated to be approximately greater than 89 percent for samples collected on November 3, 2003 The results of the source tests demonstrate compliance with the conditions listed in the ATC Considering the compliance of the SVE system with ATC requirements during approximately one month of continuous operation, Stratus proposes to change the weekly site visits to bi-monthly site visits to demonstrate system compliance Stratus will collect influent and effluent air samples monthly, and quarterly emissions monitoring reports will be submitted to SJVAPCD The next report is due by the beginning of the first quarter 2004 (January 31, 2004) If you have any questions, please contact Gown Kowtha at (530) 676-6001 . Sincerely, STRATUS ENVIRONMENTAL, INC 04 Marie H Adsetts wri Kowtha, P E Staff Geologist rod ect Manager Attachments Table 1 Source Test Summary Figure 1 Site Location Map Figure 2 Site Plan Figure 3 Process Flow Diagram Appendix A Analytical Results & Chain of Custody Documentation Appendix B Field Data Sheets Appendix C_ Mass Emission and Extraction Rate Computation Sheets. cc Mr Charles Miller, USA Gasoline Corporation Mr Harlin Knoll, San Joaquin County Environmental Health Department P\USA Gaso11ne\0065\Reports\USA 65_SecondSourceTestReport doc