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includes water to be applied to each windrow within three hours of turning at a depth of three <br />inches to control VOC emissions. Temperature logs, including time and date of the reading, are <br />maintained as required by regulation and kept in the onsite office. <br />In addition to the time and temperature requirements, physical inspection is made of the <br />windrows at the same time. This is important to track moisture content and locate point <br />sources of internal odors. The irrigation of the windrows will maintain 50-60% moisture <br />content. <br />The green and food materials are mixed and blended and formed into windrows. They are <br />approximately 7 feet high, 18 feet wide and 8 feet apart. They are turned with a mechanical <br />compost turner, which is self-propelled. The turning frequency is dictated by temperature, <br />moisture and vector attraction generation time after the initial requirements are met. During <br />the compost cycle the windrows lose approximately 50 percent of their original size. <br />The processing time is approximately 8 -25 weeks, dependent on feedstock, bulking agent, <br />composition and climatic conditions. The compost is then stockpiled for curing and finishing. It <br />is stable when transferred to the curing area, with little decomposition taking place, thus the <br />odor and vector attraction reduction is complete. This is a drying step, and often includes <br />screening to create a uniform product. <br />In addition to the temperature readings taken on the windrows, daily temperature readings will <br />also be taken on the feedstock and ground material to ensure that they are meeting fire <br />department regulations to prevent spontaneous combustion. Records will be kept according to <br />California Fire Code and kept in the on-site office. In addition, the site will be operated in <br />accordance with the current California Fire Code and all related standards (CFC 2010, 1908) and <br />Title 14, Title 27 CCR. The maximum dimensional pile limits for the feedstock piles are 250' long <br />x 150' wide x 25 ft. high. In addition, the facility will operate under the fire protection plan <br />developed with the cooperation of the Lathrop/Manteca Rural Fire Department. <br />The finished compost is kept in a separate area from the feedstock and ongoing composting <br />process to prevent cross contamination with product that has undergone pathogen and vector <br />attraction reduction. In addition, unauthorized human or animal access to the facility shall be <br />prevented. <br />Process Water <br />The composting process requires over three gallons of water per cubic yard of finished material. <br />The amount may be higher in order to accommodate new water board regulations that require <br />the piles to be wet to three inches into the piles prior to turning during the first 15 days. The <br />water is delivered to the piles through a combination of an irrigation system and water truck <br />using high pressure injection nozzles. This system is designed to minimize runoff. Grind and <br />screening are also served by an irrigation system to keep down dust, as are roads when <br />necessary. <br />5 <br />