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_ Eu.uw.G B.o.,J.. <br /> ;� uovcpNoP <br /> tRf . ODRiOUE: <br /> 5F TAA <br /> Water Boards , \� b Cpf FOP <br /> FNVIpONMENTn_PROTf CTiON <br /> Central Valley Regional Water Quality Control Board <br /> 20 October 2017 <br /> Mr. Phil Johnson, President <br /> Sims-Grupe Management <br /> General Partner for Lincoln Properties, Ltd. <br /> 374 Lincoln Center <br /> Stockton, CA 95207 <br /> RESPONSE TO INDOOR AIR SAMPLING WORKPLAN, PARKWOODS SHOPPING CENTER <br /> AND PARKWOODS CLEANERS, 1762 WEST HAMMER LANE, STOCKTON, <br /> SAN JOAQUIN COUNTY - <br /> Central Valley Regional Water Quality Control Board (Central Valley Water Board) staff <br /> reviewed the 16 October 2017 Indoor Air Sampling Workplan (Work Plan) prepared by <br /> Environmental Engineering, Consulting 8t Remediation, Inc. (E2C) on behalf of Sims-Grupe <br /> Management Corporation (Sims-Grupe), general partner for Lincoln Properties, Limited. The <br /> Work Plan presents Sims-Grupe's plan for indoor air sampling within two buildings at <br /> Parkwoods Shopping Center, located on West Hammer Lane between Brentwood Drive and <br /> Alexandria Place in Stockton, San Joaquin County (Site). Sims-Grupe recommended indoor air <br /> sampling during a 6 October 2017 meeting with staffs of the Central Valley Water Board, E2C, <br /> and GSI Environmental, Inc. (GSI; an environmental consultant for Sims-Grupe). Sims-Grupe <br /> proposed the meeting to discuss strategies for compliance with the requirements of Water Code <br /> Section 13267 Order No. R5-2017-0835 for Submittal of Operating Information, Technical <br /> Reports, and a Site Investigation Work Plan (Order), which was issued by the Central Valley <br /> Water Board on 13 September 2017. <br /> In the Work Plan, Sims-Grupe proposes to deploy three 6-liter Summa®canisters at the <br /> following locations at the Site.- <br /> 1. <br /> ite:1. Within the western portion of current Parkwoods Cleaners location at 1762 West <br /> Hammer Lane, with the inlet approximately 4 feet to 5 feet above the floor. <br /> 2. Within the southern portion of the current David's Pizza location at 1744 West Hammer <br /> Lane, with the inlet approximately 4 feet to 5 feet above the floor; a dry cleaner business <br /> existed at this location from approximately 1960 to 1981. <br /> 3. On the southeast corner of the roof of the Parkwoods Beauty Salon, located at 1770 <br /> West Hammer Lane; results from this canister will be used to evaluate ambient air <br /> conditions. <br /> Prior to deploying the Summa®canisters, Sims-Grupe proposes to inspect the planned sample <br /> locations and adjust them, as needed, based on the potential presence of chemicals that may <br /> emit organic vapors. Sims-Grupe proposes to deploy the canisters for a duration of eight hours <br /> starting at approximately 8:00 AM to 9:00 AM. Sims-Grupe proposes to analyze vapor samples <br /> for chlorinated volatile organic compounds (VOCs) using Modified United States Environmental <br /> KARL C. LONGLEy SCD, P.E.,CIIAIR I PAMELA C. CAEEDON P.E.,BC66, E%CCl1rivr OrrICEP <br /> 11020 Sun Center Dnve 0200,RanCho Cordova,CA 95670 1 www.waterboarde.ca.govicentralvalley <br /> �,t RECTCLCO PAPER <br />