OAR 340-090-0390: Waste Composition

(1) A waste composition study DEQ undertakes must consist of a representative, statistically valid sampling of Oregon's municipal solid waste. DEQ must design a protocol of standards and procedures which relate to: (a) Developing a representative sampling plan; (b) Applying the definition of a rigid plastic container in OAR 340-090-0330 when identifying and categorizing rigid plastic containers in the field; (c) Maintaining quality control, including training and auditing; (d) Performing sampling, including but not limited to sample selection, sorting, weighing; and (e) Field data adjustments for contamination including moisture, food and other non-plastic materials. (2) DEQ must report the findings of the waste composition study, the methodologies used and information regarding potential error.