California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 16 - Control of Hazardous Substances
Article 109 - Hazardous Substances and Processes
Section 5163 - Spill and Overflow Control

(a) Where a corrosive substance is handled in an open container or drawn from a reservoir or pipe line, safe means shall be taken to neutralize or dispose of spills and overflows promptly.

(b) Where heating, mixing or processing tanks in which liquid at a temperature above 140° F is handled or processed, adequate drainage shall be provided so employees will not be endangered in case of overflow or reasonably anticipated leakage of tanks.

(c) Where an oxidizer may be spilled on wooden floors, benches, or other combustible material, safe means shall be available and used to effectively remove the oxidizing material. If a solution of an oxidizing agent or a liquid oxidizing agent is spilled on wooden floors or benches, the contaminated area shall be thoroughly flushed with water. Combustible waste material contaminated with such oxidizing agents shall be disposed of promptly and in a safe manner. This subsection shall not forbid the use of such substances to bleach wooden furniture or similar articles.