California Code of Regulations
Title 19 - Public Safety
Division 1 - State Fire Marshal
Chapter 3 - Fire Extinguishers
Article 23 - Table for Conversion of Classification of Older Extinguishers to Approximate Present Classification
Section 616.3 - Conversion of Extinguisher Classification

Universal Citation: 19 CA Code of Regs 616.3
Current through Register 2024 Notice Reg. No. 38, September 20, 2024

Extinguishing Agent Extinguisher type and size Old Classification Approximate Present -- Classification
(a) Chemical solution (1) 1 1/4, 1 1/2 gallon A-2 1-A
(soda-acid) (2) 2 1/2 gallon A-1 2-A
(3) 17 gallon A 10-A
(4) 33 gallon A 20-A
(b) Water (1) 1 1/2, 1 3/4 gallon (pump or pressure) A-2 1-A
(2) 2 1/2 gallon (pump or pressure) A-1 2-A
(3) 4 gallon (pump or pressure) A-1 4-A
(4) 5 gallon (pump or pressure) A-1 4-A
(5) 17 gallon (pressure) A 10-A
(6) 33 gallon (pressure) A 20-A
(7) 5 12-qt. or 6 10-qt. water filled pails A-1 2-A
(8) 55 gallon water filled pails A-1 2-A
(9) 25 55-gallon water filled tank with above 5 or 6 fire pails A-1 2-A
(c) Loaded stream (1) gallon A-2, B-4 1-A
(2) 1 3/4 and 2 1/2 gallon A-1, B-2 2-A, 1/2 -B
(3) 33 gallon A 20-A
(d) Foam (1) 1 1/4 and 1 1/2 gallon A-2, B-2 1-A, 2-B
(2) 2 1/2 gallon A-1, B-1 2-A, 4-B
(3) 5 gallon A-1, B-1 4-A, 6-B
(4) 10 gallon A, B 6-A, 8-B
(5) 17 gallon A, B 10-A, 10-B
(6) 33 gallon A, B 20-A, 20-B
(e) Vaporizing Liquid (1) 1, 1 1/4, 1 1/2 -qt. (pump) B-2, C-2 1/2 -B, C
(carbon tetrachloride base) (2) 1, 1 1/2, 2, 2 1/2 -qt. (pressure) B-2, C-2 1/2 -B, C
(3) 1, 3 1/2 -gallon (pressure) B-2, C-1 1-B, C
(f) Vaporizing Liquid (1) 1 and 1 1/2 -qt. (pressure) B-2, C-1 1-B, C
(chlorobromo methane) (2) 1 gallon (pressure) B-2, C-1 2-B, C
(g) Carbon dioxide (1) 6 or less pounds of carbon dioxide B-2, C-2 1-B, C
(2) 7 1/2 pounds of carbon dioxide B-2, C-1 2-B, C
(3) 10 to 12 pounds of carbon dioxide B-2, C-1 4-B, C
(4) 15 to 20 pounds of carbon dioxide B-1, C-1 4-B, C
(5) 25 to 26 pounds of carbon dioxide B-1, C-1 6-B, C
(6) 30 pounds of carbon dioxide B-1, C-1 10-B. C
(7) 75 pounds of carbon dioxide B-1, C-1 12-B, C
(8) 100 pounds of carbon dioxide B, C 12-B, C
(h) Dry chemical (1) 4 to 6 1/4 pounds of dry chemical B-2, C-2 4-B, C
(2) 7 1/2 pounds of dry chemical B-2, C-1 6-B, C
(3) 10 to 15 pounds of dry chemical B-1, C-1 8-B, C
(4) 20 pounds of dry chemical B-1, C-1 16-B, C
(5) 30 pounds of dry chemical B-1, C-1 20-B, C
(6) 75 to 350 pounds of dry chemical B, C 40-B, C
(i) Wetting agent (1) 10 gallons A, B 6-A
(2) 20 gallons A, B 12-A
(3) 50 gallons A, B 30-A

NOTE: Carbon dioxide extinguishers with metallic horns will not carry any C classification.

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