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<br />ATTACHMENT 2H <br />Contamination Measurement Methodology: Quarterly Sampling <br /> <br />This Attachment presents the methodology for quantifying the Contamination Level in <br />five (5) distinct Recyclable Materials streams Collected from Service Area by the <br />Collection Contractor. <br /> <br />This Attachment is organized into the following six (6) sections: <br /> <br />1. Objectives-describes the purpose of the methodology. <br /> <br />2. Sampling rationale-presents key sample groupings for the methodology, based <br />on the Agency and material stream. <br /> <br />3. Sampling allocation and calendar-describes the number of samples required <br />to provide a sufficient level of accuracy in findings and outlines a schedule that <br />provides representative and sufficient data to meet quarterly and annual <br />sampling goals. <br /> <br />4. Field procedures-describes sampling activities for each sorting day. <br /> <br />5. Sorting categories-describes the sorting categories. <br /> <br />6. Use of the calculation tool <br /> <br />Appendices 1 through 3 consist of: <br />1. methodology checklist <br />2. sample data collection forms <br />3. equipment list <br /> <br />1. Objectives <br /> <br />This methodology is designed to estimate the Contamination Level (as a percentage by <br />weight of the entire load) in an individual load from any of five (5) Recyclable Materials <br />streams Collected in the Service Area as follows: 1 <br /> <br />· Commercial Source-Separated and Targeted Recyclable Materials <br /> <br />· Commercial Organic Materials <br /> <br />· Commercial Plant Materials <br /> <br />· Single-Family Targeted Recyclable Materials <br /> <br />· Single-Family Organic Materials <br /> <br />The methodology described herein is intended to produce consistent and statistically <br />reliable estimates of the Contamination Level in the five (5) specified material streams. <br /> <br />1 For the purposes of this methodology, a Contamination material is a material placed in a <br />Recyclable Materials Container that is not an acceptable material for that specific Collection <br />service. An example is an aluminum can placed in an Organic Materials Cart. <br /> <br />Facility Agreement, Attachment 2-H <br />Contamination Measurement Methodology <br />Page 1 of 19 <br />