ARCHIVED REPORTS_XR0012216 - Laserfiche WebLink

Home Browse Search

• Table 1 - Summary of VE-*emical Analytical Data Unocal Service Station No 6981 4707 Pacific Avenue Stockton, California Wellhead Influent Sample Results Effluent Sample Results Date TPHg TPHg Benzene Benzene Toluene Ethylbenzene Xylenes MtBE TPHg TPHg Benzene Benzene 'Toluene Ethylbenzene Xylenes (mg/m') (ppmv) (mglm3) (ppmv) (mg/m') (mglm3} (mglm3) (Mg) (mglin (ppmv) (mg/m3) (ppmv) (mg1m) (mg/m) (mg1m) 09-20-00 240 63 <0 50 <0 14 <0 50 085 0 75 9 3 <20 <0 5 <0 010 <0 003 023 0 13 079 09-28-00 170 45 <0 10 <0 03 <0 10 020 0 40 7 2 <20 <05 <0 010 <0 003 <0 010 <0 010 <0010 10-25-00 295 78 <1 00 <0 29 <1 00 <1 00 <1 00 <100 <100 <2 6 <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 3 7 <10 <26 <0 10 <0 029 <0 10 <0 10 0 23 11-28-00 293 77 <0 250 <0 07 0 864 0 823 5 04 <2 50 246 65 0 0352 001 0 387 0 705 4 51 12-01-00 170 45 <0 50 <0 14 <0 50 <0 50 <0 50 <2 5 <10 <26 <0 10 <0 029 <0 10 <0 10 0 38 12-15-00 180 47 <0 50 <0 14 <0 50 0 90 <0 50 3 8 <20 <0 5 <0 10 <0 029 <0 100 <0 100 <0 100 12-21-00 200 53 <0 50 <0 14 0 65 <0 50 12 <2 5 <20 <05 <0 010 <0 003 <0 010 <0 010 <0 010 ExPlanationa mglm3 = 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 I 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 approximatley 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 3/22/99 5 Sample also analyzed for methyl tert-butyl ether(<100 mg/m3) 6 Sample also analyzed for methyl tert-butyl ether(<0 50 mg/m3) T Service station facilities were removed Power to VES originally came off the main breaker panel for the service station Station demolition required a new service drop from power company,which was not completed until August 2000 Stockton to 6981 140124 04