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Attachment E-1 <br />Contamination Measurement Methodology: Single Loads <br />Tipping floor coordination <br />Sampling crew manager: <br />Designate a designated sampling/sorting area on each tipping floor (2) <br />with input from tipping floor staff and loader operator(s), meeting the <br />following criteria: <br />Loader operator(s) can visually communicate with sampling crew <br />Loader operator(s) can safely remove sorted loads <br />Approximately twenty (20) feet by twenty (20) feet <br />Explain and walkthrough the sampling process with both the tipping floor <br />staff and the loader operator(s) <br />Explain that samples must be dumped in a clean area, separate from <br />other loads (called a designated dumping area) <br />Explain that the sampling crew manager is responsible for identifying <br />the portion of the load that the loader operator(s) will sample <br />Explain the appropriate samples size. Samples of Commercial <br />Source -Separated and Targeted Recyclable Materials, Single -Family <br />Targeted Recyclable Materials, and Commercial Plant Materials shall <br />weigh between one hundred and twenty five (125) pounds and one <br />hundred and seventy five (175) pounds. Samples of Commercial <br />Organic Materials and Single -Family Organic Materials shall weigh <br />between one hundred and seventy five (175) pounds and two hundred <br />and twenty five (225) pounds. <br />Explain that the sampling crew manager will be responsible for <br />guiding the loader operator(s) to the appropriate tarpaulin <br />Sampling crew: <br />Set up designated sampling sorting area <br />Sorting table <br />Baskets <br />Digital scales) <br />Sample collection <br />Tipping floor staff. <br />Sampling crew manager. <br />Direct loader operator(s) to pre -selected sampling cell <br />Direct loader operator(s) to designated tarpaulin <br />Signal loader operator(s) with tipping instructions <br />Pull tarp to test for appropriate sample weight <br />Place placard in the load <br />Photograph load <br />Placard should be visible and legible <br />Wrap and segregate load until ready to sort <br />Loader operator(s): <br />Pinch/scoop sample, as directed by the sampling crew manager <br />Tip sample on designated tarpaulin, as directed by the sampling crew <br />manager <br />Sampling crew: <br />May assist sampling crew manager at any point <br />Sample sorting <br />Collection Services Franchise Agreement <br />with Recology San Mateo County <br />City of Redwood City <br />REV: 03-16-18 MI <br />ATTY/AGR.2018.054/Recology of San Mateo <br />Attachment E-1 <br />Contamination Measurement Methodology <br />Page 10 of 14 <br />