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Attendant position during LPG transfer

Summary An employer asked what “close” means for an attendant monitoring an LPG transfer. OSHA said the attendant must be near enough to see problems and respond at the connection point until the transfer ends, valves are closed, and lines are disconnected.
Document
Federal opinion letter
Agency
Occupational Safety and Health Administration (OSHA)
Document number
1993-09-09
Date issued
September 9, 1993
Status
Active
Status last verified October 9, 2026

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September 9, 1993

Mr. Michael H. Ryan, Manager
Human Resources
Reckitt & Colman, Inc.
[Recipient address omitted]
Dear Mr. Ryan:

This is in response to your letter of July 1, addressed to Mr. Terry Wilkins, Safety Engineer, of our Atlanta Regional Office, in which you requested an interpretation of the word "close" as it is used in 29 CFR 1910.110(b)(14)(i). Your letter was forwarded to our office for response.

We concur with the interpretations provided to you by Mr. Terry Wilkins and other OSHA personnel that "close" does mean that the attendant should be close enough to the connection point to take care of any situation, to be able to see at all times any problems that might occur, and to be able to respond to such problems. Because of the disaster potential of LP Gas, the attendant should be close enough to monitor the transfer connections until the transfer is completed, shut-off valves are closed, and lines are disconnected.

If we can be of further assistance, please feel free to contact Mr. James C. Dillard of my staff, at (202) 219-8031.

Sincerely,
Raymond E. Donnelly, Director
Office of General Industry
Compliance Assistance

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