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WSU describes campus composting system, markets and odor controls

Whitman County Solid Waste Advisory Committee · March 10, 2026

Summary

A WSU representative described three compost types, biofilter odor controls, and campus reuse markets for compost and bedding; he noted collection contamination and practical challenges for scaling to municipal service.

Ron Redman of WSU Waste Management described campus composting operations to the committee as a potential model for local systems. He said WSU produces three compost products used for research, bedding and general landscaping and that the program sells finished compost back to campus users.

Redman detailed operational choices: small 24-gallon rolling carts, a 6-yard rear-load packer for collection, and a biofilter system to manage odors. "We run a route on campus 3 days a week," he said, adding collection and contamination (plastic, utensils) remain ongoing challenges that require hand-picking and screening.

Redman noted WSU's experience in worker safety and system design but cautioned that campus conditions (contained land, no nearby residences) differ from rural county realities. The committee discussed odor management, hauling frequency and the equipment scale needed for county-wide organics collection.

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