What Waste Code
Chapter 01

EWC Chapter 01: Wastes resulting from exploration, mining, quarrying, and physical and chemical treatment of minerals

Browse 24 waste codes across 4 subchapters in this chapter to narrow down the relevant waste family, then open a code page for classification details and site search links.

Subchapters

Jump straight to the waste family you want to review.

01 01Current subchapter

Wastes from mineral excavation

2 codes
01 03Subchapter

Wastes from physical and chemical processing of metalliferous minerals

8 codes
01 04Subchapter

Wastes from physical and chemical processing of non-metalliferous minerals

8 codes
01 05Subchapter

Drilling muds and other drilling wastes

6 codes
01 05 04ANAbsolute Non-Hazardous

drilling muds and other drilling wastes, freshwater drilling muds and wastes

01 05 05*AHAbsolute HazardousaNote a. Note ‘a’ : These entries are assigned by · Type of drilling mud, and · Hazardous substances present Where the drilling mud/fluid has an oil base, the drilling mud and any associated drilling wastes are classified under 01 05 05*, and are hazardous waste. Barite or chloride based drilling muds and any associated drilling wastes are part of a mirror entry and are only hazardous (classified as 01 05 06*) if they display a hazardous property or contain POPs

drilling muds and other drilling wastes, oil-containing drilling muds and wastes

01 05 06*MHMirror HazardousaNote a. Note ‘a’ : These entries are assigned by · Type of drilling mud, and · Hazardous substances present Where the drilling mud/fluid has an oil base, the drilling mud and any associated drilling wastes are classified under 01 05 05*, and are hazardous waste. Barite or chloride based drilling muds and any associated drilling wastes are part of a mirror entry and are only hazardous (classified as 01 05 06*) if they display a hazardous property or contain POPs

drilling muds and other drilling wastes, drilling muds and other drilling wastes containing hazardous substances

01 05 07MNMirror Non-HazardousaNote a. Note ‘a’ : These entries are assigned by · Type of drilling mud, and · Hazardous substances present Where the drilling mud/fluid has an oil base, the drilling mud and any associated drilling wastes are classified under 01 05 05*, and are hazardous waste. Barite or chloride based drilling muds and any associated drilling wastes are part of a mirror entry and are only hazardous (classified as 01 05 06*) if they display a hazardous property or contain POPs

barite-containing drilling muds and wastes other than those mentioned in 01 05 05 and 01 05 06

01 05 08MNMirror Non-HazardousaNote a. Note ‘a’ : These entries are assigned by · Type of drilling mud, and · Hazardous substances present Where the drilling mud/fluid has an oil base, the drilling mud and any associated drilling wastes are classified under 01 05 05*, and are hazardous waste. Barite or chloride based drilling muds and any associated drilling wastes are part of a mirror entry and are only hazardous (classified as 01 05 06*) if they display a hazardous property or contain POPs

chloride-containing drilling muds and wastes other than those mentioned in 01 05 05 and 01 05 06

01 05 99MNMirror Non-HazardousaNote a. Note ‘a’ : These entries are assigned by · Type of drilling mud, and · Hazardous substances present Where the drilling mud/fluid has an oil base, the drilling mud and any associated drilling wastes are classified under 01 05 05*, and are hazardous waste. Barite or chloride based drilling muds and any associated drilling wastes are part of a mirror entry and are only hazardous (classified as 01 05 06*) if they display a hazardous property or contain POPs

and physical and chemical treatment of minerals, drilling muds and other drilling wastes, wastes not otherwise specified