Laserfiche WebLink
System Morwtonng I <br /> i E 141 N ID Dorado Avenue € I <br /> # Soil Vent System with Gfenulated Activated Carbon <br /> i I Air Permit to Operate No N-1 132-2-0 <br /> I I I E Authority to Construct No N-1133-2-1 i <br /> 1 I ! I I I I <br /> Date Time ells Fresh Soil Vapor Pitot tube Airflow Airflow TPH Concentration(av ) Benzene TPH (av ) TPH TPH Cumul TPN Cumul TPH <br /> O n to Air Valves Extraction Tem Velocit (av ) (av ) Influent I Influent Effluent Extraction Extraction Extraction Extraction <br /> VentingCondition Vacuum Pressure 14 in pipe) { mvl I ( mv) ( mv) ( mv) (lbs/da ) (lbs/da ) stimate Estimate Comments <br /> (in H2O) (de F) (in H20) (ACFM) (SCFM) (FID) I (LAB) (LAB) {FID) (FID) (LAB) (lbs-FID) (lbs-LAB) <br /> 6123193 16 30 VEW-2,4 partial open -16 112 029 196 182 460 0 269 System start <br /> 6/28/93 11 20 VEW-1,2,3,4 closed -40 112 0 1B 164 143 460 220 ND(<0 16) 0 207 10 1 114 after GAC <br /> 716193 1630 VEW 1,2,3,4 closed -48 140 0 18 158 140 160 0 7 2 229 replecemerrt <br /> 7113/93 14 15 VEW-1,2, closed -50 133 0 12 128 114 200 I 460 03 0 7 3 16 5 279 201 <br /> 7120193 12 00 VEW-1,2, closed -46 134 0 14 139 124 233 0 93 336 <br /> 7/27193 11 30 VEW-1,2, closed -47 133 0 11 123 110 267 0 94 401 <br /> 813193 13 15 VEW-1,2, closed -47 141 0 13 134 118 283 220 ND(<081 0 107 8 3 472 461 <br /> 8/101939 36 VEW-1,2, closed -47 124 0 13 132 120 253 0 9 7 542 <br /> 8/17/938 30 VEW-1,2, closed -48 131 0 14 138 124 360 0 143 626 <br /> 8125193 16 30 VEW-1,2, closed -49 137 0 13 134 119 256 0 9 7 725 <br /> 911193 1200 VEW-1,2, closed -61 130 0 15 143 128 440 160 ND(<0 16) 0 18 1 6 6 820 677 <br /> 919/93 1045 VEW-1,2, closed -51 118 0 11 121 ill 220 0 7 8 923 <br /> 9/9193 11 30 VEW-1,2,3,4 closed -35 121 021 168 153 120 0 69 923 <br /> 9/14/93 12 30 VEW-1,2,3,4 closed -34 109 0 22 170 158 66 I '• 20'� 33 946 Collected sarnpda <br /> botvrsan Urrt 1 & 2 <br /> 9121193 12 30 VEW-1,2,3,4 closed -35 131 0 32 209 187 130 74000 7 8 986 S em shut doom & <br /> cdletlad cpnfirmstton <br /> effluent sample <br /> 11/4/93 16 45 VEW-1,2,3,4 closed -36 92 0 1 113 108 540 260 ND(<016) 0 18 7 9 7 985 840 Systemrestert <br /> 11/18/93 13 15 VEW-1,2,3,4 closed -31 91 007 94 90 280 I 10 8 1 1171 after GAC <br /> 1212193 10 00 VEW-2,3 closed -30 36 100 97 530 I 130 ND(<0 16) 5 165 4 1342 1030 rep+eeert,ert <br /> 12/16/93 9 30 VEW-1,2 3 4 closed 65 82 0 12 123 120 447 7 17 2 1578 <br /> I <br /> 'Votes <br /> avg = average of three sets of measurements collected at 15 minute Intervals (as reouirea by air permit) i ! <br /> GAC <br /> System consists of one regenerative blower with 6 hD motor ani two 2000 Ib GAC units in series (Unit 1 and Unit 2) <br /> Airflow measured between Unit 1 and Unit 2 I <br /> influent = prior to Unit 1/soil vent blower discharge I <br /> Effluent = Unit 2 (atmospheric discharge) I I <br /> TPH = total petroleum hydrocarbons as gasoline <br /> ppmv = parts per million by volume I I 1 <br /> FID - flame ionization detector calibrated to hexane(Model Century OVA 126 by Foxboro Company) ' <br /> LAB = laboratory analysis I <br /> " TLV Sniffer - combustible gas meter calibrated to hexanetModel Neotronies) € <br /> "Suspect readings/equipment malfunction on 9114193 Check/calibrate FID <br /> 'Analytical results Shutdown system pending GAC replacement i I <br /> yD = not detecteo <br /> I <br /> ACFM = actual cubic feet per minute <br /> SCFM = standard cubic feet per minute (14 7 PSI and 70 deg F) <br /> See attached extraction rate caiculation <br /> 1--uiat've eytraGtion is calculated by averaging extraction rates for consecutive sampling events and summing up previous total I I I <br />