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Provides information on the American Society for Testing and Materials/Institute for Standards Research Advisory Committee created to provide the basis for scientific substantiation of disposability statements in full-scale waste treatment systems. Tiered testing strategy for assessing the compostability of synthetic polymeric materials.

Features the on-site composting facility at the Echo Glen Children's Center in Snoqualmie, Washington. Methods for collecting residual foodstock; Features of Echo Glen's composting system; Assistance from the E&A Environmental Consultants Inc.; Basis for diverting refuse from landfill; Determining composting program costs.

Focuses on the composting of yard trimmings in Washington. Initial challenges; Cleaning up of contaminants; Composting process modifications; Turned windrow; Other process modifications; Site improvements.

Part II. Focuses on the challenges and solutions of managing commercial food residuals for composting operations. Categories of food residual generators; Site and material preparation; Composting trials; Monitoring of process controls including the maintenance of aerobic conditions; Production and quality.