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Table 1 <br /> Summary of Results of Automatic Recovery System Monitoring <br /> (EPA 8015/EPA 8020/Fish Toxicity/pH/Electrical Conductivity) <br /> Former Mobil Station 04-NP4 <br /> 2375 Tracy Boulevard, Tracy, California <br /> Protect No 30-0140 ' <br /> «aR====��=taaaazasszsszszasssasssssssssssazzamsssssssaasaaaa--vvv_�=�=�=aocococ000�_coc00000ccconv___vv___o_0000__=====vo_o�=_=====cvv_csas_vov <br /> SAMPLE DATE OF FLOW METER EFFLUENT AVERAGE TPH-G TPH-D B T E X Fish pH EC LAB <br /> iD SAMPLING READING DISCHARGED FLOW RATE (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) Tox'y (US/cm) <br /> (gallons) (gallons) (gpd) LC-50 <br /> (x) <br /> -==�=_z...aaaaaasasaaaaassaaasmaasasaaaazamasmaaaaaaaasaaaamaaaaeammammaaaaamaamaaaae:z=xaaaaataa:aas�caacaaaaaaaassaaa=-sa�amcssaaasszsssammao.a <br /> 1-1 05/13/92 30 0 0 160 150 1 1 0 60 ND>O 30 2 0 --- 6.85 1,310 SA <br /> 1-1 05/27/92 3500 3,470 248 ND>30 ND>50 ND>O 30 0 32 ND>O 30 ND>0 30 --- 7 02 1,255 SA <br /> A-1 05/13/92 30 0 0 44 ND>50 ND>0 30 ND>O 30 ND>O 30 ND>0 30 --- 6.85 1,310 SA <br /> E-1 05/13/92 30 0 0 53 ND>50 ND>0 30 ND>0 30 ND>0 30 ND>0 30 --- 6.85 1,310 SA <br /> E-1 05/18/92 30 0 0 ND>30 ND>50 ND>0 30 ND>O 30 NO>0 30 ND>0 30 --- 6 90 1,287 SA <br /> E-1 05/27/92 3500 3,470 248 ND>30 ND>50 ND>O 30 ND>0 30 ND>0 30 ND>O 30 100 7 02 1,255 SA <br /> -------------------------------------------------------------------------------------------------------------------------------------------------- <br /> Total Effluent Discharged to Date 3,470 gallons <br /> -------------------------------------------------------------------------------------------------------------------------------------------------- <br /> EXPLANATION OF ABBREVIATIONS <br /> TPH-G total petroleum hydrocarbons quantified as gasoline ppb parts per billion <br /> TPH-D total petroleum hydrocarbons quantified as diesel 1-1 influent from recovery well <br /> a benzene A-1 effluent from primary carbon canister <br /> T toluene E-1 effluent from secondary carbon canister <br /> E ethylbenzene ND not detected at or above reported detection limit <br /> X total xylenes --- not analyzed/not measured/not applicable <br /> EC electrical conductivity SA Sequoia Analytical <br /> gpd gallons per day <br /> -------------------------------------------------------------------------------------------------------------------------------------------------- <br />