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|Title: 05/15/1997 - Requirements for labeling portable fire extinguishers.|
|Record Type: Interpretation||Standard Number: 1910.1200|
May 15, 1997
Mr. J.R. Nerat
Fire Protection Specialist, Inc.
W-6615 11.5 RD
Wallace, MI 49893
Dear Mr. Nerat:
The purpose of this letter is to respond to your request of February 18, to the Occupational Safety and Health Administration (OSHA), requesting an interpretation of the Hazard Communication Standard (HCS) 29 CFR 1910.1200 requirements for labeling portable fire extinguishers. Please accept my apology for the delay in this response.
The purpose of the Hazard Communication Standard is to ensure that the hazards of all chemicals produced or imported are evaluated and that information concerning their hazards are transmitted to employers and employees. This transmittal of information is to be accomplished by means of comprehensive hazard communication programs, which are to include container labeling and other forms of warning, material safety data sheets, and employee training. All employers are required to provide to their employees information about any hazardous chemicals known to be present in the workplace to which employees may be exposed under normal conditions of use or in a foreseeable emergency. As an employer you are required to develop and maintain at each workplace, a written hazard communication program which at least describes how the criteria specified in paragraphs (f),(g), and (h) of this section for labels and other forms of warning, material safety data sheets, and employee information and training will be met for your employees who may encounter hazardous materials during the course of their employment.|
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If your employees are handling fire extinguishers that contain a hazardous substance it would be your responsibility as a employer to ensure that the extinguishers are labeled properly, material safety data sheets are available for the hazardous substances contained within, and your employees have been trained adequately to protect themselves from these hazards. Service personnel who are performing visual inspections or maintenance on fire extinguishers need to know accurately and positively whether the specific contents are hazardous and how to protect themselves from exposures. Portable fire extinguishers manufactured prior to 1991 are not exempted from the labeling responsibilities found in the hazard communication standard, and it is every employer's responsibility to ensure that all employees are provided information and training as needed to perform their jobs safely.
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Based on the manufacturers/importers' hazard determination, if the fire extinguisher agent is classified as a hazardous chemical, then it would be subject to HCS labeling requirements. The HCS defines hazardous chemicals as any chemical which is a physical or a health hazard. Under the standard, a compressed gas (defined as a gas or mixture of gases having, in a container an absolute pressure exceeding 40 psi at 70 degrees, or a liquid having a vapor pressure exceeding 40 psi at 100 degrees), is considered a physical hazard and, therefore, is a hazardous chemical. In addition, several extinguishing agents (Halon 1211 and potential substitutes such as hydrogenated chlorofluorocarbons) are also considered hazardous chemicals by nature of their associated health hazards. DOT also classifies fire extinguishers as hazardous materials (49 CFR 172.101) with specific exceptions noted at 49 CFR 173.306(c).|
In the cases where you are acting as a distributor of hazardous extinguishing chemicals or charging the cylinder and creating a compressed gas hazard, you are responsible for ensuring that the extinguishers are labeled in accordance with paragraph (f)(1) of the HCS. In those instances where your services do not involve adding or supplying a hazardous chemical to the extinguisher or charging the cylinder, your firm would not be considered a distributor and consequently would not be responsible for the labeling of the extinguisher.
Fire extinguishers that contain hazardous chemicals, as discussed above, must be labeled in accordance with 29 CFR 1910.1200(f)(5), regardless of when they were manufactured. Labels must accurately identify the specific contents allowing employees to follow the correct safety and health procedures and meet the intent of the Hazard Communication Standard. Employers relying on a labeling system such as the HMIS system must augment their hazard communication employee training program to specifically address the target organ effects that may not be discernable from a numerical warning system. The employer is responsible for ensuring the required labeling of containers and also that Material Safety Data Sheets (MSDS) are available to address the physical and health hazards of fire extinguishers in their workplace. Paragraph (e)(2) of the standard states that: "Employers who produce, use, or store hazardous chemicals at a workplace in such a way that employees of other employer(s) may be exposed shall additionally ensure that the hazard communication programs developed and implemented under this paragraph (e) include the following:|
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Stephen Mallinger, Acting Director
Office of Health Compliance Assistance
February 18, 1997
Mr. Steve Mallinger
Acting Director-Health Compliance
200 Constitution Avenue NW
Washington, DC 20210
Dear Mr. Mallinger,
We conduct various fire protection industry service and maintenance training programs throughout the United States. Recently, questions concerning the specific intent of the Hazard Communication Standard have been raised pertaining to just who shall label extinguishers, exactly which portable fire extinguisher containers must be labeled, and how positive verification of these contents is to be determined.
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In 1989 the National Fire Protection Association's standard for portable extinguishers (NFPA- 10) adopted the HMIS system for identifying the contents of portable fire extinguishers upon their nameplates and to comply with the federal Hazard Communication Standard. The 1990 edition of this standard contained an exception for any extinguishers manufactured prior to the new standards implementation date of July 1, 1991. After this date, the independent testing laboratories required all manufacturers to furnish HMIS information for all extinguisher contents and various extinguishing agent formulations sold in portable fire extinguishers.|
Typically, when fire extinguishers are recharged with new or replacement contents, service personnel can utilize the specific information provided by the "contents manufacturer" to update or maintain accurate HMIS label information on the extinguisher. The contents of portable fire extinguishers are periodically required by the NFPA standard to be emptied and visually examined at regular intervals, which never exceed 12 years.
Understanding that HMIS labels need to accurately identify the specific contents to provide important health and safety recommendations, the fact is, most extinguisher service personnel do not have the ability to positively identify an extinguisher's contents visually. While generic extinguisher HMIS labels are available, using them without accurately determining or knowing the exact contents may not necessarily meet or fulfill the real intent of the Hazard Communication Standard.
So, if the Hazard Communication Standard requires HMIS labels on all of the older fire extinguishers manufactured prior to 1991 or whenever the extinguisher contents are not positively known, the monumental cost of replacing all of these extinguishers with "new" known contents for compliance, is going to be extremely costly and impractical.
The real focus of questions addressing older fire extinguishers is whether the intent of the "Hazard Communication Standard" requires:
Fire Protection Specialist, Inc.
W-6615 11.5 RD
Wallace, MI 49893
phone (906) 863-9578
The official, public domain, OSHA version of this document is available at http://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=INTERPRETATIONS&p_id=22409&p_text_version=FALSE