Laserfiche WebLink
l� <br /> Table 1 - Summary of VES Chemical Analytical Data <br /> Unocal Service Station No 6981 <br /> 4707 Pacific Avenue <br /> Stockton,California <br /> Wellhead Influent Sample Results Effluent Sample Results <br /> Date TPHg TPHg Benzene Benzene Toluene Ethylbenzene Xylenes MtBE TPHg TPHg Benzene Benzene Toluene Ethylbenzene Xylenes <br /> (mg/m°) (PP►nv) (mgtm') (PPmv) (mgtms) (mg/m') (mPtm') (mg/m') (mglm') (ppmv) (mg/m') (ppmv) (mg/m') (mg/m") (mg/m") <br /> 09-20-00 240 63 <0 50 <0 14 <0 50 0 85 075 9 3 <2 0 <0 5 <0 010 <0 003 023 0 13 079 <br /> 09-28-00 170 45 <0 10 <0 03 <0 10 020 040 7 2 <2 0 <0 5 <0010 <0 003 <0 010 <0 010 <0010 <br /> 10-25-00 295 78 <1 00 <0 29 <1 00 <1 00 <1 00 <10 0 <10 0 <2 6 <0 100 <0 029 <0100 <0 100 <0 100 <br /> 10-30-00 160 42 <0 50 <014 <0 50 <0 50 <0 50 3 7 <10 <2 6 <0 10 <0 029 <0 10 <0 10 0 23 <br /> 11-28-00 293 77 <0 250 <0 07 0 864 0 823 5 04 <2 50 246 65 00352 001 0 387 0 705 451 <br /> 12-01-00 170 45 <0 50 <0 14 <0 50 <0 50 <0 50 <2 5 <10 <2 6 <0 10 <0 029 <0 10 <0 10 038 <br /> 12-15-00 180 47 <0 50 <014 <0 50 090 <0 50 3 8 <2 0 <0 5 <0 10 <0 029 <0 100 „<0 100 <0 100 <br /> 12-21-00 200 53 <0 50 <0 14 065 <0 50 1 2 <2 5 <2 0 <0 5 <0 010 <0 003 <0010 <0 010 <0010 <br /> 01-23-01 <100 <2 6 <0 0500 <001 <0 0500 <0 0500 <0 0500 <0 500 <10 0 <2 6 <0 0500 <0 01 <0 0500 <0 0500 <0 0500 <br /> 01-31-01 System down due to mechanical failure 1 I <br /> 06-21-01 <10 0 <2 6 <0 1000 <0 03 <0 1000 <0 1000 <01000 <0 500 <100 <2 6 <0 1000 <0 03 <0 1000 <0 1000 <0 1000 <br /> 07-02-01 <100 <2 6 <0 1000 <0 03 <0 1000 <0 1000 <01000 <0 500 <100 <2 6 <0 1000 <0 03 <01000 <01000 <0 1000 <br /> 07-26-01 <2 0 <0 5 <0 0100 <0 00 <0 0100 <0 0I00 <0 0100 <100 <2 6 <0 1000 <0 03 <0 1000 <01000 <0 1000 <br /> 07-31-01 <100 <2 6 <0 1000 <0 03 <0 1000 <0 1000 <01000 <0 500 <2 0 <0 5 <0 0100 <0 00 <0 0100 <0 0100 <0 0100 <br /> 08-23-01 <10 0 <2 6 <0 1000 <0 03 <0 1000 <0 1000 <0 1000 <0 500 <2 0 <0 5 <0 0100 <0 00 <0 0100 <0 0100 <0 1000 <br /> I <br /> 09-18-01 <10 0 <2 6 <0 1000 <0 03 <0 1000 <01000 <0 1000 <0 500 <10 0 <2 6 <01000 <0 03 <01000 <0 1000 <0 1000 <br /> I , <br /> Exnlanation- <br /> mglm'=milligrams per cubic meter <br /> ppmv=parts per million by volume <br /> TPHg=Total Petroleum Hydrocarbons as gasoline <br /> MtBE=methyl tert-butyl ether <br /> NA=not analyzed for this constituent <br /> 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 <br /> Influent and effluent samples were collected to confirm detector operation and destruction effeciency,then the system was shut down pending reciept of analytical data <br /> Dilution valve control motor replaced and system restarted on 12/21/97 <br /> 2 Sample of effluent inadvertently not collected on 3122199 <br /> 5 Sample also analyzed for methyl Cert-butyl ether(<1 00 mg/m3) <br /> 6 Sample also analyzed for methyl tert-butyl ether(<0 50 mglm3) <br /> drop from power company,which was not completed until August 2000 <br /> � I <br /> Stockton,to 6981 140124 04 <br /> - r <br />