ARCHIVED REPORTS_XR0012215 - Laserfiche WebLink

Home Browse Search

sTable 1 - Summary of VESOmical Analytical Data • Unocal Service Station No 6981 4707 Pacific Avenue Stockton, California i Wellhead Influent Sample Results Effluent Sample Results Date TPHF� TPHg Benzene Benzene Toluene Ethylbenzene Xylenes MtBE TPHg3 TPHg Benzene Benzene Toluene Ethylbenzene Xylenes (mglm'} (PPmv} (mglm�} (PPmv) {mglm3) (Mg/M3) (mg/m� (mg/M) (mglm) (PPmv) (Mg/M3) (pPmv) (mg/m) (mgIm) (mglm3) 09-20-00 240 63 <0 50 <0 14 <0 50 085 075 93 <20 <05 <0 010 <0 003 023 0 13 079 09-28-00 170 45 <0 10 <0 03 <0 10 020 040 72 <20 <0 5 <0 010 <0 003 <0 010 <0 010 <0 010 10-25-00 295 78 <1 00 <0 29 <1 00 <1 00 <1 00 <100 <10 0 <26 <0 100 <0 029 <0 100 <0 100 <0 100 10-30-00 160 42 <0 50 <0 14 <0 50 <0 50 <0 50 37 <10 <26 <0 10 <0 029 <0 10 <0 10 023 11-28-00 293 77 <0 250 <0 07 0 864 0 823 504 <2 50 246 65 00352 001 0 387 0 705 451 12-01-00 170 45 <0 50 <0 14 <0 50 <0 50 <0 50 <25 <10 <2 6 <0 10 <0 029 <0 10 <0 10 038 12-15-00 180 47 <0 50 <0 14 <0 50 090 <0 50 38 <20 <05 <0 10 <0 029 <0 100 <0 100 <0 100 12-21-00 200 53 <0 50 <0 14 065 <0 50 12 <2 5 <20 <05 <0 010 <0 003 <0 010 <0 010 <0 010 01-23-01 <100 <2 6 <0 0500 <0 01 <0 0500 <0 0500 <0 0500 <0 500 <10 0 <26 <0 0500 <0 01 <0 0500 <0 0500 <0 0500 01-31-01 System down due to mechanical failure mg/m3 = milligrams per cubic meter ppmv = parts per million by volume TPHg = Total Petroleum Hydrocarbons as gasoline MtBE = methyl tert-butyl ether NA = not analyzed for this constituent System shut down on 10/26/97 due to the failure of the flame detector The flame detector was replaced on 1215197,and the system operated approximadey 3 hours Influent and effluent samples were collected to confirm detector operation and destruction effeciency, then the system was shut down pending reciept of analytical data Dilution valve control motor replaced and system restarted on 12/21/97 2 Sample of effluent inadvertently not collected on 3122199 S Sample also analyzed for methyl tert-butyl ether(<1 00 mg/m) 6 Sample also analyzed for methyl tert-butyl ether(<0 50 mg/m) 7 Service station facilities were removed Power to VES originally came off the main breaker panel for the service station Station demolition required anew service drop from power company, which was not completed until August 2000 Stockton to 6981 140124 04