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Order No. R5-2009-0097 - 2 - Conditional Waiver of Waste Discharge Requirements for Small Food Processors and Small Wineries Within the Central Valley Region wineries. As required by CWC Section 13269, Resolution No. R5-2003-0106 expired on 11 July 2008. 8. About 97 facilities were covered under Resolution No. R5-2003-0106. These existing facilities continue to need coverage and many new facilities have applied for coverage since the waiver expired. 9. The activities subject to this Order are those that result in the generation and disposal of waste, which is defined in CWC Section 13050(d). Prior to adoption of Resolution No. R5-2003-0106, such waste was often discharged to land without WDRs issued by the Central Valley Water Board. Due to the nature of the waste, such discharges could affect the quality of waters of the state. 10. The discharge of wastewater in compliance with the conditions of this Order poses a limited threat to waters of the state, but still could affect the quality of the waters of the state. If not properly managed, waste constituents discharged to land may migrate to groundwater or commingle with storm water runoff into surface water and affect water quality and its beneficial uses. Salinity in discharges from facilities regulated by this Order has been occurring since before and after the initial 1982 waiver for small food processors including small wineries. This Order continues to regulate the salinity of food processing and winery discharges. Waiver enrollees and industry representatives are encouraged to participate in the development and implementation of a region-wide salinity control plan through Central Valley Salinity Alternatives for Long-Term Sustainability (CV-SALTS) initiative. 11. Soil type, soil mantle thickness, and groundwater depth within the Central Valley are highly variable. Land discharge sites with little soil overlying fractured bedrock, highly transmissive soils such as sands and gravels; and/or shallow groundwater pose a higher risk of groundwater degradation. This Order incorporates conservative and stringent conditions of discharge in order to ensure that discharges regulated under this Order pose the lowest possible threat to water quality regardless of site-specific conditions. 12. Residual solids' that are applied to land from food processors and wineries may contain waste constituents that could affect the quality of the waters of the state. In addition, residual solids discharged to land may create odors and attract insects and rodents if not properly managed, thereby creating a condition of nuisance. 13. Waste contained in tanks may leak or spill and affect the quality of waters of the state. Waste removed from tanks for off-site disposal may not be properly disposed of and could therefore affect the quality of waters of the state. Residual solids are defined as plant matter that is generated during processing or separated from a wastewater stream for separate handling. Residual solids include leaves, stems, seeds, skins, pulp and settleable solids from fruit, vegetable, or grain processing