Residue Classification
Indetify the appropriate six-digit code for the residue
05 01 - Wastes from petroleum refining
05 01 02 (*) - Desalter sludges
05 01 03 (*) - Tank bottom sludges
05 01 04 (*) - Acid alkyl sludges
05 01 06 (*) - Oily sludges from maintenance operations of the plant or equipment
05 01 09 (*) - Sludges from on-site effluent treatment containing hazardous substances
05 01 10 - Sludges from on-site effluent treatment other than those mentioned in 05 01 09
05 01 11 (*) - Wastes from cleaning of fuels with bases
05 01 12 (*) - Oil containing acids
05 01 13 - Boiler feedwater sludges
05 01 14 - Wastes from cooling columns
05 01 15 (*) - Spent filter clays
05 01 16 - Sulphur-containing wastes from petroleum desulphurisation
05 01 99 - Wastes not otherwise specified
05 06 - Wastes from the pyrolytic treatment of coal
05 06 04 - Waste from cooling columns
05 06 99 - Wastes not otherwise specified
05 07 - Wastes from natural gas purification and transportation
05 07 01 (*) - Wastes containing mercury
05 07 02 - Wastes containing sulphur
05 07 99 - Wastes not otherwise specified
(*) – Hazardous waste