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Title 40

Displaying title 40, up to date as of 6/16/2026. Title 40 was last amended 6/15/2026.
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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter JSuperfund, Emergency Planning, and Community Right-to-Know Programs300 – 399
Part 355Emergency Planning and Notification355.1 – 355.61
Subpart AGeneral Information355.1 – 355.3
§ 355.1What is the purpose of this part?
§ 355.2Who do “you,” “I,” and “your” refer to in this part?
§ 355.3Which section contains the definitions of the key words used in this part?
Subpart BEmergency Planning355.10 – 355.21
Subpart CEmergency Release Notification355.30 – 355.43
Who Must Comply355.30 – 355.33
§ 355.30What facilities must comply with the emergency release notification requirements of this subpart?
§ 355.31What types of releases are exempt from the emergency release notification requirements of this subpart?
§ 355.32Which emergency release notification requirements apply to continuous releases?
§ 355.33What release quantities of EHSs and CERCLA hazardous substances trigger the emergency release notification requirements of this subpart?
How To Comply355.40 – 355.43
§ 355.40What information must I provide?
§ 355.41In what format should the information be submitted?
§ 355.42To whom must I submit the information?
§ 355.43When must I submit the information?
Subpart DAdditional Provisions355.60 – 355.61
§ 355.60What is the relationship between the emergency release notification requirements of this part and the release notification requirements of CERCLA?
§ 355.61How are key words in this part defined?
Appendix A to Part 355
The List of Extremely Hazardous Substances and Their Threshold Planning Quantities
Appendix B to Part 355
The List of Extremely Hazardous Substances and Their Threshold Planning Quantities