29 CFR 1910.161 - Fixed extinguishing systems, dry chemical.

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§ 1910.161 Fixed extinguishing systems, dry chemical.
(a) Scope and application. This section applies to all fixed extinguishing systems, using dry chemical as the extinguishing agent, installed to meet a particular OSHA standard. These systems shall also comply with § 1910.160.
(b) Specific requirements.
(1) The employer shall assure that dry chemical agents are compatible with any foams or wetting agents with which they are used.
(2) The employer may not mix together dry chemical extinguishing agents of different compositions. The employer shall assure that dry chemical systems are refilled with the chemical stated on the approval nameplate or an equivalent compatible material.
(3) When dry chemical discharge may obscure vision, the employer shall provide a pre-discharge employee alarm which complies with § 1910.165 and which will give employees time to safely exit from the discharge area prior to system discharge.
(4) The employer shall sample the dry chemical supply of all but stored pressure systems at least annually to assure that the dry chemical supply is free of moisture which may cause the supply to cake or form lumps.
(5) The employer shall assure that the rate of application of dry chemicals is such that the designed concentration of the system will be reached within 30 seconds of initial discharge.
[45 FR 60712, Sept. 12, 1980]

Title 29 published on 2013-07-01

The following are only the Rules published in the Federal Register after the published date of Title 29.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-04-18; vol. 79 # 75 - Friday, April 18, 2014
    1. 79 FR 21848 - Record Requirements in the Mechanical Power Presses Standard
      GPO FDSys XML | Text
      DEPARTMENT OF LABOR, Occupational Safety and Health Administration
      Final rule; confirmation of effective date.
      The direct final rule published on November 20, 2013 (78 FR 69543), became effective as a final rule on February 18, 2014. For the purposes of judicial review, OSHA considers April 18, 2014, the date of issuance of the final rule.
      29 CFR Part 1910

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United States Code
U.S. Code: Title 5 - GOVERNMENT ORGANIZATION AND EMPLOYEES
U.S. Code: Title 20 - EDUCATION
U.S. Code: Title 29 - LABOR
U.S. Code: Title 31 - MONEY AND FINANCE
U.S. Code: Title 33 - NAVIGATION AND NAVIGABLE WATERS
U.S. Code: Title 40 - PUBLIC BUILDINGS, PROPERTY, AND WORKS
U.S. Code: Title 49 - TRANSPORTATION
Statutes at Large
Public Laws

Title 29 published on 2013-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 29 CFR 1910 after this date.

  • 2014-04-18; vol. 79 # 75 - Friday, April 18, 2014
    1. 79 FR 21848 - Record Requirements in the Mechanical Power Presses Standard
      GPO FDSys XML | Text
      DEPARTMENT OF LABOR, Occupational Safety and Health Administration
      Final rule; confirmation of effective date.
      The direct final rule published on November 20, 2013 (78 FR 69543), became effective as a final rule on February 18, 2014. For the purposes of judicial review, OSHA considers April 18, 2014, the date of issuance of the final rule.
      29 CFR Part 1910