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WASTE DISCHARGE REQUIREMENTS ORDER NO. 15- <br /> MUSCO FAMILY OLIVE COMPANY AND THE STUDLEY COMPANY <br /> WASTEWATER TREATMENT AND LAND DISPOSAL FACILITY <br /> SAN JOAQUIN COUNTY <br /> 72. Title 27, §20210, specifies criteria for containment and disposal of designated waste constituents <br /> on land. Liquid designated waste in surface impoundments is subject to full containment with <br /> double liners in accordance with standards prescribed in Title 27. Land treatment of designated <br /> waste is subject to standards prescribed by Title 27 for a Class I or Class II land treatment unit <br /> (LTU). Title 27, §20164, defines LTU as a, "waste management unit (Unit) at which liquid and <br /> solid waste is discharged to, or incorporated into, soil for degradation, transformation, or <br /> immobilization within the treatment zone." It defines treatment zone as, "a soil area of the <br /> unsaturated zone of a land treatment unit within which constituents of concern are degraded, <br /> transformed, or immobilized." <br /> 73. Designated waste subject to the Title 27 prescriptive and performance standards for an LTU may <br /> qualify for conditional exemption from Title 27 pursuant to section 20090(b). A discharge of <br /> decomposable waste that need not be managed as a hazardous waste can be exempted under <br /> section 20090(b) if all waste constituents are treated and controlled to a degree that the discharge <br /> complies with the Basin Plan. Documentation for such exemption must at least equal the scientific <br /> rigor of the test plot required as a prerequisite of approval of a Title 27 LTU. <br /> 74. Performance standards of Title 27 applicable to LTUs require that: <br /> a. The Discharger demonstrate prior to discharge that the LTU can completely degrade <br /> transform, or immobilize designated waste constituents in the treatment zone (§20250(b)), <br /> which cannot exceed 5 feet; <br /> b. The Discharger establish prior to discharge the appropriate design depth of the treatment zone <br /> for each designated waste constituent,not to exceed five feet below the initial ground surface <br /> (§20250(b)); <br /> c. The Discharger establish prior to discharge to the LTU a site-specific Water Quality <br /> Protection Standard (§20390) for each designated waste constituent (under §20395), the <br /> concentration limits (under §20405), and the Point of Compliance and all Monitoring Points <br /> (under §20405); <br /> d. Specific standards be prescribed by which to monitor water quality(§20420), including a <br /> detection monitoring program (§20420), an evaluation monitoring program (§20425), and an <br /> unsaturated zone monitoring program for the LTU(§20435),which requires soil-pore liquid <br /> monitoring to assure effective operation. <br /> 75. Pursuant to §20090(b), the Board may exempt a discharge from Title 27 only if: <br /> a. The Regional Board issues waste discharge requirements; <br /> b. The waste discharge requirements implement the Basin Plan and allow discharge only in <br /> accordance with the Basin Plan; and <br /> c. The wastewater is nonhazardous waste and need not be managed according to Title 22, CCR, <br /> Division 4.5, Chapter 11, as a hazardous waste. <br /> ANTI-DEGRADATION ANALYSIS <br />