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Calculation Methods for Extracted Hydrocarbons <br /> Genova Bakery <br /> 749 North Sierra Nevada Street, Stockton, California <br /> Extraction Flow Rate = 70 ft3/min <br /> 70 ft'/min x 60 min/hr x m3/35 316 ft3 = 118 9 m3/hr <br /> PID conversion <br /> Date PID reading Lab result (mg/m3) Ratio <br /> 2-22-93 760 1,100 145 <br /> 4-28-93 470 738 157 <br /> Ave 1 51 <br /> PID x L 5.1 = mg/m3 <br /> Hydrocarbons removed <br /> operational time x flow rate x concentration = HC removed <br /> (78 2 hrs) x (118 9m'/hr) x (2360 PID x 1 51 mg/m3/PID) = 3 314 x l0' mg <br /> 33 14 kg <br /> 33 14 kg x 0 352 gal/kg = 11 67 gallons <br />