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Table la. Construction and demolition waste Orange Regional Landfill <br />Year of Sort <br />1990 (SCS) <br />1995 (SCS) <br />1996 (staff) <br />Average of %'s <br />Material Type by % <br />Inert <br />45.1 <br />38.2 <br />46.1 <br />43.1 <br />Rock <br />1.6 <br />15.7 <br />N/a <br />-- <br />Dirt'. <br />&1, <br />Concrete <br />0.8 <br />7.3 <br />10.5 <br />6.2 <br />Block, Tile and <br />Brick <br />N /al <br />N /al <br />24.2 <br />-- <br />Asphalt <br />20.7 <br />4.7 <br />.74 <br />12.72 <br />Other Inert <br />15.9 <br />N/a <br />N/a <br />-- <br />INywail: <br />8.4 <br />Wood <br />29.8 <br />42.2 <br />22.7 <br />31.6 <br />Pallets <br />12' . = :. ` <br />014' <br />2.2 <br />1.9' <br />SQIid`.umler° ; : <br />1.5:37 <br />U.4- <br />13.6 <br />Yard Waste <br />0.5 <br />8.3 <br />0.53 <br />3.1 <br />Other (painted & <br />treated wood included) <br />10.8 <br />11.1 <br />6.4 <br />9.4 <br />Metals <br />1.9 <br />0.2 <br />5.4 <br />2.5 <br />Ferrous <br />1.5 <br />0.01 1 <br />4.0 1 1 <br />L.B <br />Non-ferrous,,,,,, <br />0.4.; .. <br />0.2; <br />1.4 <br />. <br />Other' <br />5.1 <br />11.3 <br />17.4 <br />11.3 <br />Carpet <br />N /a° <br />N /a4 <br />0.2 <br />-- <br />Plastics <br />1 <br />0.4 <br />0.25 <br />0.6 <br />Shingles <br />N /a5 <br />N /a5 <br />12.1 <br />-- <br />Paper <br />1 <br />0.4 <br />0.8 <br />0.7 <br />Miscellaneous. <br />-- <br />3.9 <br />4.1 <br />-- <br />NOTES: 1. Included in "other inert". <br />2.. Includes shingles. <br />3..." Other" is a `forced' category including everything not accounted for individually. <br />4. Included with other above <br />5. Included with asphalt in " inert" <br />Our ability to develop programs and policies that reduce the amount of construction and <br />demolition waste landfilled is based on the composition of waste and markets for those materials. <br />The first two studies by SCS Engineers are not exactly comparable to the third one conducted by <br />staff on all loads entering the C &D area, but some inferences can be made from the data to <br />determine the potential for diversion. <br />Inert Debris <br />Averaging the percentages of materials by category over the three sorting sampling events shows <br />that inert material, at, 43 %, is the largest category of C &D waste. While this material is <br />4 <br />