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Primary Material Category <br />2013 Statewide <br />2000 Statewide <br />Paper <br />24.5% <br />34.3% <br />Plastic <br />17.9% <br />11.4% <br />Metals <br />4.5% <br />5.1% <br />Glass <br />2.2% <br />2.8% <br />Organic Materials <br />31.0% <br />25.7% <br />Problem Materials /Electronics <br />1.2% <br />1.9% <br />HHW /HW <br />.4% <br />0.6% <br />Other Waste <br />18.3% <br />18.3% <br />TOTAL <br />100.0% <br />100.0% <br />Note: The total may not equal the sum of the material categories due to rounding. The <br />Problem Materials/Electronics, HHW /HW, and Other Waste categories have slightly <br />different material definitions in the 2013 Study as compared to the 2000 Study. <br />The material category of Other Waste includes but is not limited to bulky items, <br />textiles, carpet, and other items not classified in the other categories. <br />2013 Statewide Waste Characterization <br />The 2000 Statewide MSW Composition Study (2000 Study) characterized the mixed municipal solid <br />waste stream and used a similar methodology as the 2013 Study. The primary material categories are <br />similar when comparing the two studies with some minor differences in the Problem Materials, BMW, <br />and Other Waste material categories. Provided below are the 2000 Study results depicting the mean by <br />primary material category for comparison to the 2013 Study results. <br />Table ES -2: Comparison of 2013 to the 2000 Statewide Waste Characterization Results <br />(mean by Weight) <br />Executive Summary <br />Using the above results, the Project Team characterized the confidence intervals for the 2000 Study <br />results and compared these with the confidence intervals for the 2013 Study results. Specifically, the <br />percentages of Paper, Plastics, and Organics appear to have a statistically significant difference reflecting <br />a change in the composition of the MSW stream. <br />Overall, the Project Team has identified potential diversion opportunities based on the largest quantities <br />of recyclable and /or compostable materials estimated to compose the statewide mixed municipal solid <br />waste stream including the following: <br />• Food waste (519,400); <br />• Compostable paper (285,400); <br />• Bag and film plastic (192,600); and <br />• Wood waste (168,000). <br />Additional analysis should be undertaken to evaluate the recovered materials markets for each of these <br />materials and other potentially recoverable materials. <br />Minnesota Pollution Control Agency <br />1 -4 Burns & McDonnell <br />