# Response resources.

- **operation:** document
- **citation:** 49 CFR 194.115
- **title:** Response resources.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** (a) Each operator shall identify and ensure, by contract or other approved means, the resources necessary to remove, to the maximum extent practicable, a worst case discharge and to mitigate or prevent a substantial threat of a worst case discharge.

(b) An operator shall identify in the response pl
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- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-194.115
**body:**

(a) Each operator shall identify and ensure, by contract or other approved means, the resources necessary to remove, to the maximum extent practicable, a worst case discharge and to mitigate or prevent a substantial threat of a worst case discharge.

(b) An operator shall identify in the response plan the response resources which are available to respond within the time specified, after discovery of a worst case discharge, or to mitigate the substantial threat of such a discharge, as follows:

Tier 1 Tier 2 Tier 3 High volume area 6 hrs 30 hrs 54 hrs. All other areas 12 hrs 36 hrs 60 hrs.
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- **body characters:** 595