Publication Details

[M-18] Standard for the Change of Product and Change of Grade for High Pressure and Refrigerated Liquid Containers


The scope of this standard is the qualification of the change of grade process, which involves the conversion of a non-FDA/HC regulated compressed gas container to a FDA/HC regulated compressed gas container.

This standard also addresses the change of service between FDA/HC regulated products including from one pure gas or gas mixture product to another referring to the process details covered in CGA C-10. This standard also addresses the record keeping requirements for FDA/HC regulated gas COG and COS.

This standard does not apply to large cryogenic bulk storage containers or containers previously containing corrosive, poisonous, pyrophoric, radioactive, and toxic gases see Appendix A of CGA C-10.