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SAN J O A Q U I N Environmental Health Department <br /> COUNTY Jasjit Kang, REHS, Director <br /> Greatness grows here. Muniappa Naidu,REHS,Assistant Director <br /> PROGRAM COORDINATORS <br /> Jeff Carruesco, REHS, RDI <br /> EMAILED Willy Ng,REHS <br /> �7Steven Shih, REHS <br /> L-� "2.�j C�M Elena Manzo,REHS <br /> Natalia Subbotnikova,RENS <br /> November 20, 2023 �` <br /> V. <br /> To: San Joaquin County Community Development Department <br /> Attention: Makayla Miller <br /> From: Aldara Salinas; (209) 616-3019 <br /> Environmental Health Specialist <br /> RE: PA-2100156 (MS, RAA), Referral, S00014322 <br /> 32521 S. Koster Rd. Tracy <br /> The following requirements have been identified as pertinent to this project. Other requirements may also <br /> apply. These requirements cannot be modified. <br /> 1. A qualified environmental professional shall prepare a surface and subsurface contamination <br /> report, identifying any potential source of surface or subsurface contamination caused by past or <br /> current land uses. The report shall include evaluation of non-point source of hazardous materials, <br /> including agricultural chemical residues, as well as potential point sources, such as fuel storage <br /> tanks, septic systems, or chemical storage areas. The report shall be submitted to the <br /> Environmental Health Department at time of submittal of a tentative map (San Joaquin County <br /> Development Title, Section 9-905.12). <br /> Note: Environmental Health Department has received a surface subsurface contamination report <br /> dated July 26, 2021 (SR0083966) that has been approved. <br /> 2. A soil suitability and nitrate loading study incorporating proposed staff and customer use shall be <br /> submitted to the Environmental Health Department, indicating that the area is suitable for septic <br /> system usage. The studies must be approved by the Environmental Health Department prior to <br /> recordation of parcel map. (San Joaquin County Development Title, Section 9-1105.2(d)). The <br /> fee will be based on the current schedule at the time of payment. <br /> The sewage disposal system shall comply with the onsite wastewater treatment systems <br /> standards of San Joaquin County prior to approval. A percolation test conducted in accordance <br /> with the E.P.A. Design Manual - Onsite Wastewater and Disposal Systems is required for each <br /> parcel. The fee will be based on the current schedule at the time of payment. <br /> Note: The Environmental Health Department received a Soil Suitability/Nitrate Loading Study <br /> dated November 21, 2023 (SR0084478) that has been approved. <br /> 3. The existing private water wells shall be tested for the chemical Dibromochloropropane (DBCP) <br /> and nitrates with the results submitted to the Environmental Health Department prior to <br /> recordation of the Parcel Map. Samples are to be taken and analyzed by a State-approved <br /> laboratory (San Joaquin County Development Title, Section 9-1115.7). <br /> Note: The Environmental Health Department received water sample results dated November 3, <br /> 2021 that has been approved. <br /> 1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjcehd.com <br />