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vv 4 <br /> .1 <br /> C <br /> PROCEDURAL GUIDANCE FOR THE EVAL <br /> gtEIVED <br /> OF ALTERNATIVE DAILY COVERS <br /> 1991 <br /> The California Integrated Waste Management v 1- 4 LA e <br /> authority that .prescribes the quality, quanti #4b4/ ,: 0Plogy <br /> employed in the application of daily cover.�`� Typically, the <br /> material used for the application of daily cover has been soil. <br /> However, state regulations do not specify that cover material be <br /> soil, only that when properly used the material will function . as <br /> a barrier to the 1) emergence or attraction of vectors, 2) progress <br /> of fires within the landfill, 3) escape of odor and 4) excess <br /> infiltrati.on.Z Daily cover must also control erosion, prevent <br /> unsightliness,3 and be applied at a compacted minimum thickness of <br /> six inches.1 <br /> The California Code " of Regulations allows the Board, in <br /> coordination with its Local Enforcement Agency (LEA , to consider <br /> the use of suitable cover material other than soil. An operator <br /> intending to use an alternative cover. at a site must submit a <br /> request to the Board and its LEA for consideration. Following, <br /> approval on the merits of the proposal, the operator shall <br /> undertake a demonstration project in order to establish the <br /> suitability of the alternative cover material. The duration of the <br /> demonstration project should be one year but other time frames may <br /> be considered. <br /> The request should include the following: <br /> 1. A report justifying the proposed use of an alternative cover. . <br /> Generally this document,must show that the proposed material <br /> can function suitably when used as daily cover and that the <br /> proposed project will not pose a threat to public health, <br /> safety or the environment. This report should include: <br /> (a). An explanation why the particular cover"alternative has <br /> been selected. <br /> (b) A numerical ranking of the functional priorities <br /> (Attachment 1) of cover that is specific to the site <br /> being considered. For additional guidance in ranking the <br /> functional priorities refer to the Environmental <br /> Protection Agency's publication entitled "Design and <br /> Construction of Covers for Solid Waste Landfills, " (EPA- <br /> 600/2-79-165) <br /> (c) A comparison of the properties of the alternative cover . <br /> material with the corresponding properties of the soil <br /> that has been used at the site for daily cover. At a <br /> minimum, the following should be evaluated: <br /> 1 <br /> 5/17/90 . <br />