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Title 40

Displaying title 40, up to date as of 7/13/2026. Title 40 was last amended 7/13/2026.
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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter ISolid Wastes239 – 299
Part 266Standards for the Management of Specific Hazardous Wastes and Specific Types of Hazardous Waste Management Facilities266.20 – 266.602
Subpart NConditional Exemption for Low-Level Mixed Waste Storage, Treatment, Transportation and Disposal266.210 – 266.360
Terms266.210
§ 266.210What definitions apply to this subpart?
Storage and Treatment Conditional Exemption and Eligibility266.220 – 266.230
§ 266.220What does a storage and treatment conditional exemption do?
§ 266.225What wastes are eligible for the storage and treatment conditional exemption?
§ 266.230What conditions must you meet for your LLMW to qualify for and maintain a storage and treatment exemption?
Treatment266.235
§ 266.235What waste treatment does the storage and treatment conditional exemption allow?
Loss of Conditional Exemption266.240 – 266.245
§ 266.240How could you lose the conditional exemption for your LLMW and what action must you take?
§ 266.245If you lose the storage and treatment conditional exemption for your LLMW, can the exemption be reclaimed?
Recordkeeping266.250
§ 266.250What records must you keep at your facility and for how long?
Reentry Into RCRA266.255
§ 266.255When is your LLMW no longer eligible for the storage and treatment conditional exemption?
Storage Unit Closure266.260
§ 266.260Do closure requirements apply to units that stored LLMW prior to the effective date of Subpart N?
Transportation and Disposal Conditional Exemption266.305
§ 266.305What does the transportation and disposal conditional exemption do?
Eligibility266.310
§ 266.310What wastes are eligible for the transportation and disposal conditional exemption?
Conditions266.315 – 266.340
§ 266.315What are the conditions you must meet for your waste to qualify for and maintain the transportation and disposal conditional exemption?
§ 266.320What treatment standards must your eligible waste meet?
§ 266.325Are you subject to the manifest and transportation condition in § 266.315(b)?
§ 266.330When does the transportation and disposal exemption take effect?
§ 266.335Where must your exempted waste be disposed of?
§ 266.340What type of container must be used for disposal of exempted waste?
Notification266.345
§ 266.345Whom must you notify?
Recordkeeping266.350
§ 266.350What records must you keep at your facility and for how long?
Loss of Transportation and Disposal Conditional Exemption266.355 – 266.360
§ 266.355How could you lose the transportation and disposal conditional exemption for your waste and what actions must you take?
§ 266.360If you lose the transportation and disposal conditional exemption for a waste, can the exemption be reclaimed?