TABLE 3-4 Typical physical composition of residential MSW excluding recycled materials and food wastes discharged with wastewater (1990) Percent by weight Component Organic Food wastes Paper Cardboard Plastics Textiles Rubber Leather Yard wastes Wood Misc. organics Inorganic Glass Tin cans Aluminum Other metal Dirt, ash, etc. Total United States" Range 6-18 25-40 3-10 4-10 0-4 0-2 0-2 5-20 1-4 4-12 2-8 0-1 1-4 0-6 Typical' 9.0 34.0 6.0 7.0 2.0 0.5 0.5 18.5 2.0 8.0 6.0 0.5 3.0 3.0 100.0 Packaging materials 79.5 50-60 12-16- 4-8 20-30 6-8 2-4 Davis, Californiad 6.0 33.1 7.9 10.7 2.4 2.5 0.1 17.7 5.0 0.4 5.8 3.9 0.4 3.6 0.5 100.0 = 20.5 a Adapted in part from Refs. 2, 3, 9, and 14-16. Reported percentage distributions are exclusive of special and hazardous wastes. bTwenty percent of the households in the United States are assumed to have food waste grinders. Additionally, it is assumed that the percentage of food waste ground up and discharged with wastewater is 25 percent. Current (1990) recycling rate for the United States assumed to be 11 percent. Adapted in part from Ref. 10. dBased on measurements made over a five-year period (1985 to 1990) during the first two weeks of October (see Table 3-9).

TABLE 3-4 Typical physical composition of residential MSW excluding recycled materials and food wastes discharged with wastewater (1990) Percent by weight Component Organic Food wastes Paper Cardboard Plastics Textiles Rubber Leather Yard wastes Wood Misc. organics Inorganic Glass Tin cans Aluminum Other metal Dirt, ash, etc. Total United States" Range 6-18 25-40 3-10 4-10 0-4 0-2 0-2 5-20 1-4 4-12 2-8 0-1 1-4 0-6 Typical' 9.0 34.0 6.0 7.0 2.0 0.5 0.5 18.5 2.0 8.0 6.0 0.5 3.0 3.0 100.0 Packaging materials 79.5 50-60 12-16- 4-8 20-30 6-8 2-4 Davis, Californiad 6.0 33.1 7.9 10.7 2.4 2.5 0.1 17.7 5.0 0.4 5.8 3.9 0.4 3.6 0.5 100.0 = 20.5 a Adapted in part from Refs. 2, 3, 9, and 14-16. Reported percentage distributions are exclusive of special and hazardous wastes. bTwenty percent of the households in the United States are assumed to have food waste grinders. Additionally, it is assumed that the percentage of food waste ground up and discharged with wastewater is 25 percent. Current (1990) recycling rate for the United States assumed to be 11 percent. Adapted in part from Ref. 10. dBased on measurements made over a five-year period (1985 to 1990) during the first two weeks of October (see Table 3-9).

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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