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1 :111 :14 U40 ILI I 0 , 0 , <br /> PG&E Stockton Former <br /> Manufactured Gas Plant Site <br /> �„{;•eg`s California Environmental Protection Agency's Department of Toxic Substances Control <br /> Fact Sheet No. 3 May 1999 <br /> Introduction <br /> This fact sheet announces the soil cleanup activities <br /> planned for Pacific Gas and Electric (PG&E) MCLEOD LAKE STOCKTON <br /> Company's former manufactured gas plant (MGP) 5 <br /> site at 535 South Center Street in Stockton (see OFFP Ha v.Ams1. <br /> OGq 1qM - SCHDPCH 51.4 <br /> figure). The Remedial Action Plan (RAP), which was <br /> PN.EUDN AVE. v <br /> approved by the California Environmental Protection <br /> Agency (Cal EPA) Department of Toxic Substances 4 a <br /> Control (DTSC) describes the cleanup activities that >i 8 13 <br /> will be implemented. The soil excavation cleanup will 1 y <br /> take place at the site from May through November <br /> v <br /> 1999. PG&E's service center will continue to operate cxAnieawp -.F- <br /> during the cleanup and will return to normal opera- 4 U^ <br /> tion after the completion of the cleanup activities. <br /> Soil Cleanup Activities MGP Site History <br /> Gas plant residues from historical operations are <br /> mixed in soils below the ground surface in the TheStockton sitewas used to manufacture gas for commercial and resi- <br /> central and southern portions of the site. Affected Fientialuses.MGPswere operated byutility companies nationwide from <br /> soils are between 1 and 25 feet deep depending on theearly1800sthrough the mid-1900stoproducegasfromcoaloroilfor <br /> where certain former underground structures lighting,heating and cooking.Although residuessuch astarand <br /> existed. The highest concentrations of chemicals lampblack from these plants were sometimes recycled into commercially <br /> from residues are found at the locations of buried useful products,excess residues were often disposed of onsite. <br /> former MGP structures. These areas will be exca- <br /> vated to prevent any potential further impact to The Stockton site includes three separate areas owned or formerly owned <br /> underlying soil and groundwater. The soil that will by PG&E.The former MGP site was located in the central portion of the <br /> be excavated contains polynuclear aromatic hydro- site and is currently used by PG&E telecommunication,substation,and gas <br /> carbons (PNAs), volatile organic compounds (VOCs), service personnel.The eastern section of the site currently houses a PG&E <br /> and some inorganic compounds. The soil will be substation.The northwest portion of the site was previously used by PG&E <br /> disposed of in approved Class I and II landfills. Soil to house a gas holder tank that sat partially beneath the ground.This por- <br /> samples will be taken from the bottom of the tion of the site is currently owned by Snow Cleaners,Inc.With the excep- <br /> excavations to ensure that no residues above action <br /> levels remain onsite. The excavations will be back- tion ofthisgasholder,the former MGP facility was located ontheblock <br /> filled with clean soil and the site will be repaved bounded by Hazelton Avenue,Commerce,Church,and Center Streets. <br /> and returned to regular operations. <br /> For More Information, Information Repositories Anticipated Schedule Activities <br /> Please Contact- Stockton-Son Joaquin P <br /> Countyry Public Library <br /> Fernando Amador 605 tJorth El Dorado Avenue <br /> (916)255.3737 Stockton,California 95202 <br /> a <br /> Stockton, s32� Site Preparation Begins May 17, 1999 <br /> Randfi <br /> - $tate of Califomia Environ, <br /> Y$tur 9aon 'mentat Prot ofionAgency <br /> DSoil Excavation Begins June 1, 1999 <br /> (976)255 3649 epartment of Toxic Substances g <br /> Control File Room <br /> California Department of 10151 Croydon Way,Suite 3 ' <br /> Toxic Substonces'Contml Sacramento,Colifornip 95$27 Soil Cleanup and Site <br /> 10151'CroydonWay,Suite 3 November 1, 1999 <br /> Sacromento,CA 95827 Restoration Completed <br /> 110716.eD.Ce•A-PG&EFutSN.150ry INP65-n1W86-MI•SFO <br /> Wim.- <br />