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Orange County <br />Waste Composition Study <br />Section 3: Results <br />11 <br />Orange County/Report/Final Report <br />3.3 Single-Family Residential MSW <br />Figure 3-2 depicts the annual composition for single-family residential MSW. Table 3-3 shows the <br />composition of single-family residential MSW by season, including 90% confidence intervals. Table 3- <br />4 compares the annual single-family residential MSW composition in the present WCS to previous <br />WCS results. Individual single-family residential sample results are provided in Appendix B. <br />Key findings from the single-family residential data include: <br /> Nearly 20 percent of single-family residential MSW consisted of program recyclables. More <br />program recyclables were present in the fall MSW stream. <br /> Over 25 percent of single-family residential MSW was Food Waste. Total potentially <br />compostable materials comprised 46 percent of the single-family residential MSW. <br /> The composition of single-family residential MSW has changed over time: <br />o The percentages of most program recyclables have decreased over time. <br />o Nearly all categories of paper have decreased except Low-Grade Paper and Mixed <br />Recyclable Paper.5 <br />o Plastic film and all other plastics have increased over time. Total plastics are at the <br />same level as in 2010. <br />o Total organics, especially food waste, have increased substantially. <br /> <br /> <br />5 The distinction between Mixed Recyclable Paper and Low-Grade Paper may have been different in 1995 compared to <br />subsequent years, as evidenced by the high percentage of Low-Grade Paper and low percentage of Mixed Recyclable <br />Paper in that year. As noted in the County’s previous WCS report, phone books, paperboard, and other books were not <br />classified as recyclable in 1995. <br />DocuSign Envelope ID: 00C54720-9DC0-4A3D-ABED-77E0FD28E0CD