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California Code of Regulations Page 3 of 5 (B) Foam products shall be covered with waste or other approved cover materials within 72 hours of application, unless a shorter time period is required by the EA to meet the requirements of¶(a)(2) and (a)(3) of this section. (3) Processed Green Material (A) For the purposes of this section, processed green material means any plant material that is either separated at the point of generation, or separated at a centralized facility that employs methods to minimize contamination. Green material includes, but is not limited to, yard trimmings, untreated wood wastes, paper products, and natural fiber products. Green material dose not include treated wood waste, mixed demolition or mixed construction debris, manure and plant waste from the food processing industry, alone or blended with soil. Processed green material may include varying proportions of wood waste from urban and other sources and shall be ground, shredded, screened, source separated for grain size, or otherwise processed. (B) Green material used for alternative daily cover shall be processed prior to being applied to the working face unless the green material to be used as alternative daily cover already meets the grain size specifications. Prior to spreading and compacting on the working face, processed green material shall comply with a grain size specification by volume of 95% less than 6 inches. Alternative processing and grain size specification requirements may be approved by the EA if the EA determines that the alternative meets the performance requirements of¶(a)(2) and (a)(3) of this section and the CIWMB concurs. (C) Processed green material shall be restricted to a minimum compacted thickness of 6 inches and average compacted thickness of less than or equal to 12 inches. (D) Processed green material placed as cover shall not be exposed for greater than 21 days. (4) Sludge and Sludge-Derived Materials (A) Public contact with sludge or sludge-derived materials, either alone or blended with soil, ash, processed green material, or stabilization agents such as lime, lime kiln dust, or cement kiln dust, shall be prohibited. This prohibition shall apply to staging, processing, tipping, and cover placement areas. (B) Sludge or sludge-derived materials, either alone or blended with soil, processed green material, ash, or stabilization agents such as lime, lime kiln dust, or cement kiln dust, shall form a compacted material which can be placed without forming open voids or causing material to be tracked off the working face area. (C) Sludge or sludge-derived materials shall be restricted to a minimum compacted thickness of 6 inches and average compacted thickness of less than or equal to 12 inches. (5) Ash and Cement Kiln Dust Materials (A) Ash and Cement.Kiln Dust, either alone or blended with earthen material or stabilization agents, shall form a compacted material which can be placed without forming open voids or causing material to be tracked off the working face area. For the purposes of this section ash means the nonhazardous residue from the combustion of material or the hazardous residue which may be managed as a nonhazardous waste in accordance with Title 22 California Code of Regulations ss 66260.200(f) or 66260.210. (B) Ash and Cement Kiln Dust, either alone or blended with earthen material or stabilization agents shall be used as alternative daily cover in a manner to minimize the creation of dust. (C) Ash and Cement Kiln Dust, either alone or blended with earthen material or stabilization agents, shall be restricted to a minimum compacted thickness of 6 inches and average compacted thickness of less than 12 inches. (6)Treated Auto Shredder Waste (A) Auto shredder waste shall be treated pursuant Title 22, California Code of Regulations, s 66268.106(a) (1), (B)Treated auto shredder waste used for alternative daily cover shall be restricted to a minimum compacted thickness of 6 inches and average compacted thickness of less than 24 inches. r http://weblinks.westlaw.com/Find/Default.wl?DB=CA%2DADC%2DTOC%3BADCCATO... 7/7/2006