Rhode Island General Laws Title 23. Health and Safety § 23-19-13.6. Cover materials not permitted

(1) Construction and demolition debris, whole, shredded, or pulverized, including wood (including painted, treated, and coated wood and wood products), land-clearing debris, wall coverings, plaster, drywall, plumbing fixtures, non-asbestos insulation, roofing shingles, and other roof coverings;  or

(2) Organic materials, including materials that contain carbon-to-carbon bonds and are biodegradable, such as paper, wood, food waste, leaves, and yard waste.  Organic materials may be used only as a final landfill cover with approval of the department of environmental management.