RCRA Exempt Oil & Gas Wastes


Produced water
Drilling fluids and drill cuttings
Well completion, treatment, and stimulation fluids
Workover wastes
Basic sediment & water and other tank bottom sludge from storage facilities that hold product and exempt waste
Accumulated materials such as hydrocarbons, solids, sand, and emulsion from production separators, fluid treating vessels, and production impoundments
Pit sludges and contaminated bottoms from storage or disposal exempt wastes
Spent filters, filter media, and backwash (assuming the filter itself is not hazardous and the residue in it is from an exempt waste stream)
Packing fluids
Produced sand
Pipe scale, hydrocarbon solids, hydrates, and other deposits removed from piping and equipment prior to transportation
Hydrocarbon-bearing soil
Pigging wastes from gathering lines
Wastes from subsurface gas storage and retrieval, except for the listed nonexempt wastes Constituents removed from produced water before it is injected or otherwise disposed of
Liquid hydrocarbons removed from the production stream but not from oil refining
Gases removed from the production stream, such as hydrogen sulfide and carbon dioxide, and volatilized hydrocarbons
Materials ejected from a producing well during blowdown
Waste crude oil from primary field operations and production
Light organics volatilized from exempt wastes in reserve pits or impoundments or production equipment

Note: All exempt waste must be generated in primary field operations.  

Exemption of Oil and Gas Exploration and Production Wastes from RCRA Subtitle C does not preclude these wastes from control under other federal regulations and state regulations.