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<br />March 23, 2005 <br />Page 18 <br /> <br />Comparison of the Current Dual Stream Bi-Weekly Method to the Dual Stream Bi- <br />Weekly Method with Larger Bins <br /> <br />The upper and lower confidence intervals of the bi-weekly, dual stream with larger bins were not <br />significantly different than the bi-weekly dual stream (control) routes. Thus, the materials <br />composition is projected to remain similar. <br /> <br />It appears that additional data sets are needed to draw any definitive conclusions as it relates to <br />quantities set out for collection using the two approaches. <br /> <br />Comparison of the Dual Stream Collection Method Before and During the Pilot <br />Program <br /> <br />The upper and lower confidence intervals of the dual stream routes during the pilot program <br />were not significantly different than the dual stream routes before the pilot was initiated. Thus, <br />the July composition results are representative of dual stream collection for the City of <br />Roseville. <br /> <br />Please contact me or Mary Chamberlain at (651) 994-8415 if you have any questions regarding <br />tlns report. We thank you for the opportunity to provide these services. <br /> <br />Sincerely, <br />R. W. BECK, INC. <br /> <br />Robert Craggs <br /> <br />cc: Norm Schiferl, St. Paul-Ramsey County Department of Public Health <br />Mary Chamberlain, R. W. Beck, Inc. <br />Dan Krivit, Dan Krivit and Associates <br /> <br />01-00253-10101-01011070001 I 13500 P:\13500 Ramsey Co. 2003\RTA\Roseville\FA\BI544 - Final Data Analysis <br />