| Class | Definition | Format | Cost |
|---|---|---|---|
| PM/Permissioning/01 | HID COMAH safety report assessment manual | Webpages | Free |
| PM/Permissioning/02 | Level 3 guidance for assessment of technical aspects of COMAH safety reports | Webpages | Free |
| PM/Permissioning/03 | Gas Safety (Management) Regs 1996 – Safety case handling & assessment manual | Webpages | Free |
| PM/Permissioning/04 | OSD – Safety case handling & assessment manual – principles & procedures | Webpages | Free |
