ORS 447.115: “Compost toilet” defined.

As used in ORS 447.118 and 447.124, “compost toilet” means a permanent, sealed, water-impervious toilet receptacle screened from insects, used to receive and store only human wastes, urine and feces, toilet paper and biodegradable garbage, and ventilated to utilize aerobic composting for waste treatment. [1977 c.523 §2]