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TABLE 4 REMEDIATION PILOT TEST SVE COMPO ENT - EXTRACTION AND EMISSION RATES Barnes Trucki g,. 1817 South Fresno Avenue, Stockton, California Hon. Sys. Influent Effluent Sys. Influent Cone. Effluent Cone. Extraction Rate from Emissions Rate to Destruction Removal Cumulative GRO Date = Sample Meter Flowrate Flowrate m m3) m n 3 Wells lbs/de 4 Atmosphere lbs/da E1]icien % Removal lbs z° Time Reading3 scfm) (aefin) ORO Benzene MTBE .. GRO Benzene MTBE GRO Benzene MTBE GRO Benzene MTBE GRO Benzen MTBE Period Total 4/29/2013' 1 10:11 5124 91 .7 171 .7 81 3.5 <0.2 <15 <0.15 <0. 15 0.67 0.03 <0.0016 <0.23 <0.002 <0.0023 65.3% 92,0% NC 0.09 0.09 4/292013 2 13:30 515.8 90.9 170.9 71 5.0 <0.2 -- -- - 0.62 0.03 <0.0016 -- - - -- -- -- 2.11 2.20 4/29/2013 3 16:00 518.5 91 .3 171 .3 380 10.0 <0.2 -- 1 .85 0.06 <0.0016 -- -- -- -- -- -- 5.00 7.20 5/1/2013 4 7:40 557.9 86. 1 166. 1 200 8.4 <0,20 -- -- -- 2.24 0.07 <0.0015 -- -- -- -- - -- 88,41 95,61 5/3/2013 4 - 591 .6 - -- - - -- - - - 1 .55 - -- -- -- -- -- -- -- 52. 15 147.76 U end /Kc : of n = actual cubic feet per minute GRO = gasoline rmige organics scfn - standard cubic feet per minute MTBE = methyl tertiary butyl cel Sys. = system cone. = concentration ) mglms = milligrams par cubic motor lbs/day = pounds per day NC - Not Calculated due to influent and effluent concentrations were tion-detect. Effluent Plow rate = System influent flow rate + combustion air flew fate (80 efia par menufactwefs literature GRO removed is calculated based on assuming 2 hours oroperation occurred from start oftest to first sample time. ' Hour meter readings based on most representative field data at time ofsampling for calculation purposes to approximate the mass removal. ' To reticulate the a fraotien rate the system milia nt concentrations are averaged between the sampling dates. Sim Is Calculations: 1 Extraction Rate from 81 mu. x91 ,7 on ft. 1,440 min = 123 lbs/day / Wells (lbs/day) on meterx 35.3145 cu it 453593 m( min day Destruction Removal 053 44 - 0 ]6) x l ee = 99.93% Efficiency. % 153.44 Notes', 1 DPE test, extracting from wellMW-10 only. OPE test, extracting (mm well MW-SH only. 3 DPE test, extracting from wells M-6, IW-7, IW-8, and MW-5 B. DPEtest. extracting from wells JW-7 and M-B. Between 5/1/13 at 8'10am to 513/13 at 10 30a the system .� extracting from well 1W-8 only, system influent concentration and mildew flow rate readings were notobtained prior to shutdown, due to the system automatically shot down from lack ofpropme fuel before end oftest. Therefore, the numerical values used (s tem inluent flowrate and system influent c0sa on) to calculate the extraction rate of GRO bemoan 5/1 /13 and end oftest, were obtained from the M f13 mid 'sic Atthiatime die system remained extracting from wells lW-] and IW-8, *.u3Nram s a e �osmntcam t=ai . Page l oft STRATUS