Cal. Code Regs. tit. 19 § 578.6

Current through Register 2024 Notice Reg. No. 52, December 27, 2024

Section 578.6 - Pressurizing Gas

Only standard industrial grade nitrogen with a dew point of -60°F (-51°C) or lower (CGA nitrogen specification G10.1, grades D through P) shall be used to pressurize stored pressure dry chemical, dry powder and halogenated agent type fire extinguishers. Compressed air through moisture traps shall not be used for pressurizing even though so stated in the instructions on older fire extinguishers.

EXCEPTION NO. 1: Compressed air may be used from special compressor systems capable of delivering air with a dew point of -60°F (-51.1°C) or lower. The special compressor system shall be equipped with an automatic monitoring and alarm system to ensure that the dew point remains at or below -60°F (-51.1°C) at all times.

EXCEPTION NO. 2: Some fire extinguishers are required to be pressurized with argon. They shall be repressurized only with the type of expellant gas referred to on the fire extinguisher label.

Cal. Code Regs. Tit. 19, § 578.6

1. New section filed 3-4-92; operative 4-3-92 (Register 92, No. 15).
2. Renumbering of former section 578.6 to section 578.5 and renumbering and amendment of former section 578.7 to section 578.6 filed 12-27-2001; operative 1-1-2002 pursuant to Government Code section 11343.4 (Register 2001, No. 52).
3. Amendment of first paragraph filed 7-17-2013; operative 10-1-2013 (Register 2013, No. 29).

Note: Authority cited: Section 13160, Health and Safety Code. Reference: Section 13160, Health and Safety Code.