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I SVE MASS REMOVAL CALCULATION WORKSHEET ' TPH-G Mass Removed from Soil per Day and During Period ' Influent Parameters for total influent=soil vapor influent and air stripper effluent Date 11/01/05 — 1/31/06 PID measurement m 50 2 (corrected average of 14 PID measurements TPH-G Concentration(Mg/M3) 50 2_ppm x 4 (lab supplied conversion factor) =200 8 Average air flow scfm 2766 Daily air flow(m Ida ) (276 6 ft /min) x (1 m /35 31 ft ) x (1,440 min/day) = 11,280 TPH-G removed per day (pounds per day) (200 8 mg/m') x (11,280 M3/day) x(2 205pounds/1 0 ^6 mg)=4 99 Days of operation 768 TPH-G removed during period 1 (76 8 days) x(4 99 lbs/day)= 383 23 pounds ITPH-G Released to the Atmosphere per Day and During Period Exhaust Parameters Date 11/1/05 — 1/31/06 PID measurement(ppm) 10 (corrected average of 14 PID measurements) ' TPH-G Concentration (mg/m' ) 10 pprn x 4 lab supplied conversion factor =4 0 Average air flow(scfm) 2766 Daily air flow (m'/day) (276 6 ft /min) x (1 m 135 31 TF) x 1,440 mir/day) = 11,280 TPH-G released per day (Pounds per day) (4 0 mg/m3)x(11,280 m3/day)x (2 205 ounds/10 ^6 m ) =0 099 Days of operation 768 TPH-G released durin eriod (76 8 da s) x(0 099 lbs/day) = 7 6 Eounds TPH-G Mass Removed from Soil Total to Date Influent Parameters for total influent=soil vapor influent and air stripper effluent Date 1111/04— 1/31/06 Days of operation 2594 TPH-G removed to date 10,528 6 2ounds TPH-G Released to the Atmosphere Total to Date I Date 11/1/04-- 1131/06 Days of operation 259 4 TPH-G released to date 164 0 pounds P 11000_prj11707 Canepa11707F Canepa Paco&clReportslQMR1200611st gtrlAppcndixlD3SVE Calculation Worksheet 3-10 06 doc