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Listed Wastes
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By definition, EPA determined that some specific wastes are hazardous. These wastes are incorporated into lists published by the Agency. These lists are organized into three categories:
- The F-list (non-specific source wastes). This list identifies wastes from common manufacturing and industrial processes, such as solvents that have
been used in cleaning or degreasing operations. Because the processes producing these wastes can occur in different sectors of industry, the F-listed wastes are known as wastes from non-specific sources.
Wastes included on the F-list can be found in the regulations at 40
CFR §261.31 .
- The K-list (source-specific wastes). This list includes certain wastes from specific industries, such as petroleum refining or pesticide manufacturing.
Certain sludges and wastewaters from treatment and production processes in these industries are examples of source-specific wastes. Wastes included on the K-list can be found in the regulations at
40 CFR §261.32 .
- The P-list and the U-list (discarded commercial chemical products). These lists include specific commercial chemical products in an unused form. Some pesticides and some pharmaceutical products become hazardous waste when discarded. Wastes included on the P- and U-lists can be found in the regulations at 40 CFR §261.33 .
Key Resources
Hazardous Waste Listings - A User-Friendly Reference Document, Draft, March 2008 (PDF) (118 pp, 612K, About PDF)