The State Forestry Department, the State Parks and Recreation Department, the Department of Transportation and the Oregon Department of Administrative Services shall initiate programs that use compost or sewage sludge in place of, or to supplement, soil amendments, ground cover materials, mulching materials or other similar products for which compost can be used as an effective substitute. [1991 c.385 §23; 1993 c.560 §93]
Oregon Legal Code