Laserfiche WebLink
Appendix B <br />Table 15 <br />Comparison of Dual Stream Bi-Weekly with Additional Education (Wed) <br />vs. Bi-Weekly Control (Friday) <br />Total Quantities Collected by Route During Pilot <br />Wednesday Friday <br />(Addt'I Educ) (Control) <br />September 9,625 10,825 <br />October 7,975 8,075 <br />Mean 8,800 9,450 <br />Standard Deviation 1,167 1,945 <br />o arisn oft a rre re i- ee <br />e tote l rea i- ee e o i <br />r er ins <br />The residents in the Thursday pilot area received larger curbside recycling bins (22- <br />gallon capacity compared to the original 18-gallon capacity bins). The new bins were <br />also equipped with wheels. The collection method (dual stream) and frequency (bi- <br />weekly) remained unchanged. The results are reflected below in Table 16. <br />Table 16 <br />Comparison of Dual Stream Routes During Pilot <br />Bi-Weekly with Larger Bins vs. Bi-Weekly Control <br /> Thursday (Larger Bins) Friday (Bi-weekly) Routez <br /> Routes (Control) <br /> Statistically <br /> 90% Confidence 90% Confidence Significant <br /> Interval Interval Difference <br /> <br />Material <br />Category Mean Lower Upper Mean Lower Upper <br />Paper 63.7% 53.8% 73.7% 59.5% 53.9% 65.1 <br />Metals 5.8% 5.0% 6.6% 6.7% 6.0% 7.5% <br />Glass 19.1 % 12.6% 25.7% 22.2% 14.5% 29.8% <br />Plastic 8.1 % 4.8% 11.3% 8.6% 6.3% 10.9% <br />Contaminants 3.3% 2.0% 4.5% 3.0% 2.5% 3.5% <br />Total3 100% n/a n/a 100% n/a n/a <br />rour samples were sor[ea Rom [ne i nursoay roue. <br />s Three samples were sorted from the Friday route. <br />3 The totals may not equal the sum of the material categories due to rounding. <br />As shown in Table 16, the upper and lower confidence intervals of the bi-weekly, dual <br />stream with larger bins were not significantly different than the bi-weekly dual stream <br />B-14 s [cos <br />