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<br />3 <br />Orange County/Report/Final Report <br />Section 2 <br />Methodology <br />2.1 Generator Sectors and Sorting Events <br />The WCS focused on MSW generated within the County for disposal. The three primary generator <br />sectors evaluated were as follows: <br /> Single-family residential, which includes County Convenience Centers. <br /> Multi-family residential. <br /> Commercial, which includes schools and UNC. <br />The WCS included two sorting events, one in the fall and one in the spring, to account for seasonal <br />variability. The first sorting event occurred during the week of October 24-28, 2016. The second <br />sorting event occurred the week of April 3-7, 2017. <br />2.2 Material Categories <br />MSW was sorted into the 42 material categories defined in Appendix A. To develop and define <br />these material categories, KCI reviewed previous WCSs conducted by the County and ensured these <br />categories aligned with the categories used previously so that data could be compared to previous <br />data. <br />2.3 Location, Equipment and Labor <br />All sampling and sorting occurred at the City of Durham’s’ transfer station located on East Club <br />Boulevard. While the majority of the County’s waste is delivered to Waste Industries’ transfer <br />station, the City of Durham’s facility was chosen for the sort location due to availability of the old <br />transfer station building. This alleviated many of the safety and space concerns faced at the Waste <br />Industries’ facility. <br />KCI provided all sorting equipment; safety gear; scale calibrated to 0.02 pounds (and backup scale <br />calibrated to 0.05 pounds); and two to three staff people to oversee all sampling, sorting, weighing, <br />and data recording. The City of Durham provided a loader and operator to gather samples and to <br />remove waste upon completion of sorting activities in the fall sort. For the spring sort, the County <br />provided a dump bed truck to transport samples pulled by Hilco’s loader and operator. All sorting <br />labor was provided or contracted by KCI. <br />KCI prepared and County staff reviewed and approved a site safety plan that was followed <br />throughout the sorting events. KCI worked closely with City of Durham and County staff to <br />coordinate and set up a sort location that would ensure worker safety. Each morning of the events, <br />sorters were given thorough safety instructions by one of KCI’s Supervisors to ensure worker safety <br />and proper sorting. No injuries occurred during the sorting events. <br />DocuSign Envelope ID: 00C54720-9DC0-4A3D-ABED-77E0FD28E0CD