- API2201 – Safe Hot Tapping Practices in the Petroleum and Petrochemical Industries.
- FM Global Hot Work Resources (free, but requires registration)
https://www.fmglobal.com/products-and-services/services/hot-work-resources
Last updated February 19, 2021 | Element: Reference Materials
https://www.fmglobal.com/products-and-services/services/hot-work-resources