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First-aid response proximity at worksites

Summary An association asked what “near proximity” means for first-aid readiness. OSHA said first aid should begin within three to four minutes where life-threatening injuries are foreseeable, while a longer response, such as 15 minutes, can suffice where such injuries are unlikely.
Document
Federal opinion letter
Agency
Occupational Safety and Health Administration (OSHA)
Document number
1993-09-02
Date issued
September 2, 1993
Status
Archived by the agency
OSHA labels this an archive document and warns that it may no longer represent current policy.
Status last verified October 9, 2026

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NOTICE: This is an OSHA Archive Document, and may no longer represent OSHA Policy. It is presented here as historical content, for research and review purposes only.

September 2, 1993

Ms. Kathy Lea
Government Affairs
and Communications Assistant
Voluntary Protection Programs
Participant's Association
[Recipient address omitted]
Dear Ms. Lea:

Thank you for your inquiry of June 15, requesting information on the Occupational Safety and Health Administration (OSHA) standard at 29 CFR 1910.151(b). You specifically asked for definitions of the terms "near proximity" and "serious injury".

The following is OSHA's current guidance with respect to "near proximity": In areas where accidents resulting in suffocation, severe bleeding, or other life threatening injury or illness can be expected, "near proximity" is interpreted as the ability to respond and start to administer first aid within 3 to 4 minutes. In other circumstances, i.e., where a life-threatening injury is an unlikely outcome of an accident, a longer response time, such as 15 minutes, is acceptable.

Where an employer complies with 29 CFR 1910.151(b), as stated above, but has areas where the eyes or body of any person may be exposed to injurious corrosive materials, the employer must also comply with 29 CFR 1910.151(c).

Following are the aspects related to injuries from the definition of "serious physical harm" taken from OSHA's Field Operations Manual:

1 Impairment of the body in which part of the body is made functionally useless or is substantially reduced in efficiency on or off the job. Such impairment may be permanent or temporary, chronic or acute. Injuries involving such impairment would usually require treatment by a medical doctor. Examples of injuries which constitute such harm include:

a Amputation (loss of all or part of a bodily appendage which includes the loss of bone).

b Concussion.

c Crushing (internal, even through skin surface may be intact).

d Fracture (simple or compound).

e Burns or scald, including electric and chemical burns.

f Cut, laceration, or puncture involving significant bleeding and/or requiring suturing.

We appreciate your interest in employee safety and health. If we can be of further assistance, please do not hesitate to contact us.

Sincerely,
Roger A. Clark, Director
Directorate of Compliance Programs

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