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5 t <br /> t <br /> WASTE DISCHARGE REQUIREMENTS -2- <br /> FORWARD INCORPORATED <br /> WASTE MANAGEMENT FACILITY <br /> CLASS II LANDFILLS CLASS III LANDFILLS <br /> CLASS II SURFACE IMPOUNDMENT <br /> CLASS II LAND TREATMENT UNIT <br /> CLOSURE OF CLASS I LANDFILL <br /> SAN JOAQUIN COUNTY <br /> WMU D - The WMU D Landfill Area consists of several Class III WMUs for <br /> 'nonhazardous solid waste' and ' inert waste' and will eventually be <br /> expanded to the final size of approximately 65 acres as shown on Attachment <br /> C. WMU D-87 was constructed in 1987 and covers an area of 2.5 acres. This <br /> unit will cover low portions of WMUs B and C when completed. WMU D-88 was <br /> constructed in 1988 with a four-foot thick compacted soil liner and covers <br /> an area of 4.2 acres. WMU D-88 is divided by an internal earthen dike so <br /> that the southern 1.2 acres are isolated from any landfill leachate <br /> generated in the northern portion of the WMU. This arrangement allows for <br /> waste contaminated with acid-soluble inorganic constituents to be isolated <br /> from acidic landfill leachate. Additional expansion is planned for 1989 <br /> with the construction of WMU D-89 covering 8.7 acres north of WMU D-88 and <br /> west of WMUs A and C. <br /> WMU E - This 3.7 acre Class II Landfill was constructed to meet Subchapter <br /> 15 requirements, and is dedicated for the disposal of coal and wood ash. <br /> This unit may be expanded to approximately 13 acres as shown in Attachment <br /> C. <br /> WMU F - A proposed Class II surface impoundment approximately 5 acres in <br /> size which will hold leachate and other 'designated wastes' compatible with <br /> the liner. A temporary or interim WMU F was constructed west of WMU E in <br /> 1988 to accommodate landfill leachate only. This surface impoundment will <br /> be closed when the permanent WMU F is built (Attachment C). <br /> WMU G - A Class II land treatment unit which may be sited within the WMU <br /> D or H areas prior to landfilling (Attachment D) . Soils contaminated with <br /> less than hazardous levels of petroleum hydrocarbons will be stored and <br /> treated at this WMU. <br /> WMU H - A proposed 20 acre Class III landfill south of Littlejohns Creek <br /> which will hold 'nonhazardous solid waste' and ' inert waste' (Attachment <br /> C) . <br /> WASTES AND THEIR CLASSIFICATION <br /> 4. The Discharger proposes to continue to discharge 'nonhazardous solid <br /> waste' in WMU D, a Class III landfill unit, as shown on Attachment B. <br />