Hazardous Waste Determination, RCRA Hazardous Waste Regulations Mining Overburden – The RCRA Exclusion From Hazardous Waste at 40 CFR 261.4(b)(3) Daniel Stoehr January 1, 2015 ← DOT-SP 11903 on a Cargo Tank What’s Wrong with These Pictures? Display of Hazardous Material Placards →