N.Y. Comp. Codes R. & Regs. Tit. 16 § 256.18 - Cutting, welding and caulking
The use of cutting and welding apparatus shall not be permitted on equipment used for the storage of gas or apparatus accessory thereto until permission has been obtained from the operating engineer directly in charge of the work who shall verify fully if all the necessary precautions against fire and explosion have been taken. A pressure tank shall not be caulked with air tools until the pressure within is less than five pounds.
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.