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Waste Designation Decision Matrix - P or U Codes

This is the waste designation decision matrix provided by the Small Business and Local Government Assistance Program to aid businesses in deciding how certain wastes must be handled.

This matrix is provided as an assistance tool. It cannot be used as a substitute for following applicable city, state, and federal laws.

You have a hazardous waste.

You have determined that your waste is listed in the P or U lists. To view the lists, please go to 40 CFR 261.33 .

Write down the applicable P or U codes in your list of codes that apply to this waste.

If you have a P-listed waste, you have an acutely hazardous waste and have extra regulatory responsibility.

To determine if additional waste codes apply

Continue the Matrix