California Code of Regulations
Title 19 - Public Safety
Division 1 - State Fire Marshal
Chapter 10 - Explosives
Subchapter 4 - Use and Handling of Explosives
Article 10 - Blasting Agents
MIXING OF BLASTING AGENTS
Section 1572.4 - Facility Washdown

Washdown facilities shall be provided. An automatic water-deluge system with adequate capacity is required to protect mixers and the finished-explosive storage area in the plant. Floors shall be constructed so as to eliminate open floor drains into which molten materials could flow and be confined in case of fire. The floors and equipment of the mixing and packaging room shall be washed down frequently to prevent accumulation of oxidizers or fuels and other sensitizers. The entire mixing and packaging plant shall be washed down periodically to prevent excessive accumulation of dust.200.26Z-21