Copied direct from the OSHA web page for 29 CFR 1910.157, Dec. 16th, 1997 (Reviewed Dec. 2007):
1910.157 - Portable fire extinguishers
•Standard Number: 1910.157
•Standard Title: Portable fire extinguishers
•SubPart Number: L
•SubPart Title: Fire Protection - Portable Fire Suppression Equipment
1910.157(g)
Training and education.
1910.157(g)(1)
Where the employer has provided portable fire extinguishers for employee use in the workplace, the employer shall also provide an educational program to familiarize employees with the general principles of fire extinguisher use and the hazards involved with incipient stage fire fighting.
1910.157(g)(2)
The employer shall provide the education required in paragraph (g)(1) of this section upon initial employment and at least annually thereafter.
1910.157(g)(3)
The employer shall provide employees who have been designated to use fire fighting equipment as part of an emergency action plan with training in the use of the appropriate equipment.
1910.157(g)(4)
The employer shall provide the training required in paragraph (g)(3) of this section upon initial assignment to the designated group of employees and at least annually thereafter.
Note! This information was taken directly from the OSHA web site. The date the information was taken is listed at the top. This page may not reflect updates or corrections published at a later date or printed in the Federal Register.