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Appendix C Participation Trend Analysis Methodology Eureka Recycling conducts an annual participation study in which both set -out and participation rates are analyzed and documented. The set -out rate is the average number of households that set materials out for recycling collection on a given day. Not every household sets out their recycling each week. If they are out of town, forget or simply don't have very much in their cart they may not have a cart out for collection on their day. The Set -Out number is the average across all weeks reported of percentage of households that set -out material in any given week. (651) 222 -SORT (7678) www.ourakarecycling.org Our mission is to reduce waste today through innovative resource management and to reach a waste -free tomorrow by demonstrating that waste The participation rate is the number of is preventable, not inevitable. households who set materials out for recycling collection at least once over the period of the study, which for this program is done quarterly. The participation rate is a better indication of overall recycling participation because it includes households that recycle at least once over the course of a quarter, recognizing that some households may not set -out recycling every week. It more accurately indicates how many households are participating in the recycling program overall, as opposed to the number of participants on a specific day. Summary of Process The study is done quarterly. Each time the truck tips a cart that collection is recorded for that specific address. Once per -quarter Eureka Recycling runs a report of all tips and sorts by collection day. The percentage of all addresses in that route that register a tip in any given week is recorded as that week's set -out rate. Then all set -out rates recorded for that quarter are averaged to produce the citywide set -out rate for that quarter. The report is then sorted by address. Each address will be repeated for eachcollectionday they recorded as having been tipped. Duplicate addresses are removed. The remaining list of addresses represents all households that participated in recycling at least once within that quarter. This is the participation rate for that quarter. Quarterly set -out and participations rates are averaged for the annual set - out and participation numbers. Anaffirmative action, equal opportunity employer. ® Printed on 100% postconsumer recycled paper that was processed without the use of chlorine.