29 CFR 1910 · General Industry · Subpart H

1910.106(i): Refineries, chemical plants, and distilleries

By Black Belt Safety Editorial Team Official text as of October 15, 2026 4 min read

Key takeaways

  • 1910.106(i) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart H).
  • Related part: 1910.106(i)(3)(ii).
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In this article
  1. What this rule covers
  2. Official text
  3. Free toolbox talk
  4. OSHA interpretation letters
  5. Related parts of this rule
  6. Get your crew competent
  7. About this page

What this rule covers

29 CFR 1910.106(i) ("Refineries, chemical plants, and distilleries") is one requirement inside 1910.106 Flammable liquids, an OSHA general industry standard (Part 1910, Subpart H). It includes 10 sub-paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.

Official text

(i) Refineries, chemical plants, and distilleries —

(1) Storage tanks. Flammable liquids shall be stored in tanks, in containers, or in portable tanks. Tanks shall be installed in accordance with paragraph (b) of this section. Tanks for the storage of flammable liquids in tank farms and in locations other than process areas shall be located in accordance with paragraph (b)(2) (i) and (ii) of this section.

(2) Wharves. Wharves handling flammable liquids shall be in accordance with paragraph (f)(4) of this section.

(3) Fired and unfired pressure vessels — Open (i)(3)

(i) Fired vessels. Fired pressure vessels shall be constructed in accordance with the Code for Fired Pressure Vessels, Section I of the ASME Boiler and Pressure Vessel Code—1968. Open (i)(3)(i)

(ii) Unfired vessels shall be constructed in accordance with the Code for Unfired Pressure Vessels, Section VIII of the ASME Boiler and Pressure Vessel Code—1968. Open (i)(3)(ii)

(4) Location of process units. Process units shall be located so that they are accessible from at least one side for the purpose of fire control.

(5) Fire control —

(i) Portable equipment. Portable fire extinguishment and control equipment shall be provided in such quantities and types as are needed for the special hazards of operation and storage.

(ii) Water supply. Water shall be available in volume and at adequate pressure to supply water hose streams, foam producing equipment, automatic sprinklers, or water spray systems as the need is indicated by the special hazards of operation and storage.

(iii) Special equipment. Special extinguishing equipment such as that utilizing foam, inert gas, or dry chemical shall be provided as the need is indicated by the special hazards of operation and storage.

Source: eCFR, text current as of 2026-10-15. Read all of 1910.106.

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OSHA interpretation letters

None exist. OSHA has not published a letter of interpretation for 1910.106(i).

Related parts of this rule

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About this page

Sources

3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.

Written and reviewed by

Black Belt Safety Editorial Team

Site Safety Officer and Safety Professional

OSHA 30 · CPR · USACE CQM

Written and reviewed by the Black Belt Safety team. Every post is checked against the OSHA standard or agency source it cites.

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