Skip to Main Content

This information is provided free of charge by the Department of Industrial Relations from its web site at These regulations are for the convenience of the user and no representation or warranty is made that the information is current or accurate. See full disclaimer at
Subchapter 15. Petroleum Safety Orders--Refining, Transportation and Handling
Article 17. Equipment Leakage and Breakage
Return to index
New query

§6851. Leakage and Spill Control.

(a) Leaks or spills from pipe lines, piping, tanks, or other equipment shall, where possible, be promptly stopped. Reasonable efforts shall be made by inspection and maintenance to prevent the occurrence of such leaks or spills.

(b) Tanks receiving transfers of Class I liquids from main line pipe lines or marine vessels shall be either:

(1) Gauged at frequent intervals while receiving transfer of product and communications maintained with main line pipe line or marine personnel so that flow can be promptly shut down or diverted, or

(2) Equipped with a high level alarm located where personnel are on duty during the transfer and can promptly arrange for flow stoppage or diversion.

(c) In the event the flow cannot be stopped or diverted as in Section 6851(b), affected employees in the hazardous area shall be immediately notified and evacuated as necessary.

(d) Temperatures of flammable or combustible liquids or gases in processing units shall be monitored, controlled, and alarms provided where employees could be exposed to hazards resulting from exceeding safe operating conditions.

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.


1. Repealer and new section filed 8-6-81; effective thirtieth day thereafter (Register 81, No. 32).

2. Reprinting of text due to technical reasons (Register 81, No. 38).

3. Amendment of subsection (c) and new NOTE filed 9-6-94; operative 10-6-94 (Register 94, No. 36).

Go BackGo Back to Article 17 Table of Contents