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asked to pick their preferred bin size. Twenty-five of the 31 participants voted for larger than the current 18- gallon bin. Most of them (18) picked the rectangular 24-gallon bin. When asked about adding wheels, 20 participants voted in favor of wheels. Sixteen residents voted in favor of lids. The focus group results are included in Appendix B. Waste Management preferred that the 24-gallon bins not be used because of their rectangular shape. They felt it would be less of a strain on drivers if the City used the square 22-gallon bins. So Roseville assembled a set of 22-gallon wheeled bins to be used in one of the test areas. Originally lids were to be included with the bins, but the manufacturer shipped the wrong lids and was unable to ship the proper size lids before testing began. Wheeled Carts Waste Management is switching its operations over to single-stream collection. Its subsidiary Recycle America Alliance has opened a new materials recovery facility (MRF) to process recycling gathered in this single- stream system. Under Waste Management's single- stream program design residents put all their recyclable material together in a lidded, wheeled cart - there's no sorting of materials. Carts range from 32 to 96 gallons. Waste Management picks up the material everyoth~r week using a compactor truck with an automated arm operated by a one-person crew. The trucks are the same type as ones used on residential garbage routes. According to Waste Manageme"tthetrucks have a compaction ratio of 4 to 1. Waste Manag;(anent provided 64-gallon carts forthere~identsi)1 the single-stream test areas. Figure Six Single-Stream Recycling Truck Weekly Collectio.n A third possibilit~is to use weekl)'9ollecti(}".~y emptying bins more frequently you can theoretically increase the capacity. The equationyvorks this way: an 18 gallon bin emptied every other week yields up to 36 gallons a month, lJyt ifit's emptied every week it yields up to 72 gallons a month. Weekly collection couldal~8eliminate some of the confusion in the current program. Nearly 10% of the calls to the recycling coordiriatorbdween July 2001 and March 2004 were from residents wondering ifit was collection week. Callers also say that storage over time is a concern. For instance some residents who report that their recycling was not picked up on a collection day say they don't want to bring the material back into their garage. Instead they say if the collection truck can't make a return trip, the resident will put the material in the trash because garbage is picked up weekly. Return trips to pick up missed recycling are almost always made within 24 hours of the missed collection being called in. 10