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uiry <br /> oP4..... c <br /> SAN JOAQUIN COUNTY <br /> " ENVIRONMENTAL HEALTH DEPARTMENT <br /> 1868 East Hazelton Street, Stockton, CA 95205 <br /> Telephone (209) 468-3420 Fax(209)464-0138 1l <br /> October 25, 2016 10-ate,-16 <br /> To: San Joaquin County Community Development Department <br /> Attention: Megan Aguirre �\ <br /> From: Ted Tasiopoulos; (209) 953-7698 JJ\ <br /> Senior Registered Environmental Health Specialist <br /> RE: PA-1600212 (UP), Revised, S00011068 <br /> 920 W. Frewert Rd., Lathrop <br /> The San Joaquin County Development Title Requirements listed below have been identified as <br /> pertinent to this project. Other requirements may also apply. These requirements cannot be <br /> modified. <br /> A. Solid Waste Facility Permit, Report of Compost Site Information (RCSI), and Odor Impact <br /> Management Plan (GIMP) will require revision to account for changes in operation including <br /> tonnage, accepted wastes, vehicle counts, and facility size. <br /> B. Track-out and drag-out has been an issue at this facility. To address this issue, all interior roads <br /> will need to be constructed of asphalt or concrete except in active composting areas with rumble <br /> strips near the exit of the facility. As an alternative to this requirement, facility may provide <br /> engineered, commercially constructed wheel wash near the exit of the facility. <br /> C. The proposed changes include the addition of digestate. The term digestate can be used to <br /> describe digested sewage sludge. The San Joaquin County Ordinance Code has a prohibition of <br /> the land spreading of sewage sludge; composted or other. Digestate containing sewage sludge or <br /> bio-solids is prohibited. <br /> D. In order for the facility to accept food waste and food digestate; control measures must be <br /> implemented. The control measures shall include the unloading and processing of food waste <br /> inside an enclosed structure under negative pressure on a concrete pad. The food waste <br /> composting must be conducted utilizing an aerated static pile system to control odors. Provide <br /> engineering design plans for an aerated static pile system to effectively minimize odors. <br /> E. If the facility operator chooses to they may conduct a comprehensive odor study to determine odor <br /> impacts and propose alternative control measures based on the studies recommendations. The <br /> odor study will need to include meteorological conditions, inversion layers, and nearby receptors. <br /> The study should utilize discrete sampling and an odor panel to determine the odor units created <br /> by the addition of food waste and digestate to compost. <br />