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<br />March 23, 2005 <br />Page 8 <br /> <br />Comparison of Single Stream and Dual Stream Collection Methods <br /> <br />The results of the Monday single stream pilot routes were compared to the combined results of <br />the Tuesday through Friday dual stream collection routes in September (Table 7) and October <br />(Table 8) to compare the overall single stream results to the dual stream results. <br /> <br /> Single Stream (Monday) Dual Stream (Tues-Friday) <br /> Routes' Routes' Statistically <br /> 90% Confidence Interval 90% Confidence Interval Significant <br /> Dillerence <br />Material Mean Lower Upper Mean Lower Upper <br />Category <br />Paper 78.7% 75.0% 82.4% 58.6% 53.5% 63.7% ./' <br />Metals 2.8% 2.0% 3.6% 6.6% 5.9% 7.3% ./' <br />Glass 5.3% 4.4% 6.2% 20.7% 14.4% 27.0% ./' <br />Plastic 6.0% 4.8% 7.2% 10.7% 7.6% 13.8% ./' <br />Contaminants 7.1% 5.8% 8.4% 3.5% 2.6% 4.4% ./' <br />Total' 100% n/a n/a 100% n/a n/a <br /> <br />Table 7 <br />Comparison of Single Stream and Dual Stream Routes <br />September <br /> <br />1 Four samples were sorted from the sIngle stream routes. <br />'Twelve samples were sorted from the dual stream routes. <br />3The totals may not equal the sum of the material categories due to rounding. <br /> <br />01-00253-10101-01011070001 I 13500 P:\13500 Ramsey Co. 2003\RTA\Roseville\FA\BI544 - Final Data Analysis <br />