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<br />PAGE 3 OF 3 <br />08/8/00 <br />SANITARY FACILITIES <br />Endnote •• SANITARY FACILITIES--Continued <br /> <br />on soil properties, site features, and observed performance of the soils. Permeability, depth to bedroek or to a <br />cemented pan, a high water cable, slope, end flooding affect both types of landfill. Texture, stones and boulders, <br />highly organic layers, soi! reaction, and content of salts and sodi un affect trench type landfills. Unless otherwise <br />staled, [he ratings apply only to that part of the soil within a depth of about 6 feet. For deeper trenches, a <br />limitation rate "Slight" or "Moderate" may not be valid. Onsite investigation is needed. <br />DAILY LOVER fOR LANDFILL is the soil material that is used [o cover compacted solid waste in an area type sanitary <br />landfill. The soil material is obtained offsite, transported to the landfill, and spread over the waste. <br />Soil texture, wetness, coarse fragments, and slope affect the ease of removing and spreading the material during wet <br />and dry periods. loamy or silty soils that are free of large stones or excess gravel are the best rover for a <br />landfill. Clayey soils nay be sticky or cloddy and are difficult to spread; sandy soils are subject to soil <br />blowing. After soil material has been renaved, the soil material remaining in the borrow area must be thick enough <br />aver bedrock, a cemented pan, or the water table to permit revegetation. The soil material used as final cover for a <br />landfill should be suitable for plants. The surface layer generally has the best workability, more organic matter than <br />the rest of the profile, arxi the best potential for plants. Nateri al from the surface layer should be stockpiled for use <br />as the final cover. <br />