California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 1 - Unfired Pressure Vessel Safety Orders
Article 6 - Anhydrous Ammonia
Section 515 - Systems Utilizing Portable Dot Nh3 Containers
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) Cylinders shall comply with DOT specifications and shall be maintained, filled, packaged, marked, labeled, and shipped to comply with 49 CFR Chapter 1 and Marking Portable Compressed Gas Containers to Identify the Material Contained, ANSI Z48.1-1954 (R1970).
(b) Cylinders shall be stored in an area free from ignitable debris and in such manner as to prevent external corrosion. Storage may be indoors or outdoors.
(c) Cylinders filled in accordance with DOT regulations will become liquid full at 145° F. Cylinders shall be protected from heat sources such as radiant flame and steampipes. Heat shall not be applied directly to cylinders to raise the pressure.
(d) Cylinders shall be stored in such manner as to protect them from moving vehicles or external damage.
(e) Any cylinder which is designed to have a valve protection cap shall have the cap securely in place when the cylinder is not in service.
1. New section filed 3-28-75; effective thirtieth day thereafter (Register 75, No. 13).
Note: Authority cited: Section 142.3, Labor Code.