HID Semi Permanent Circulars - Permissioning
Open Government Status: The Open Government status is displayed at the top of each circular.
- SPC/PERM/40 - Procedure for Registration of Explosives Manufacturing Processes under RIDDOR Exemption No 4 of 2007
- SPC/PERM/39 Replaces SPC/Perm/ 09 - HID's approach to ALARP decisions - Withdrawn (link to The National Archives)
- SPC/PERM/37 Replaces SPC/Perm/12 - Guidance on ALARP Decisions in COMAH - Withdrawn (link to The National Archives)
- SPC/PERM/36 - Carriage authorisations for explosives
- SPC/PERM/35 Replaces SPC/Perm/06 - COMAH Safety Reports – Information about the extent and severity of the consequences of identified major accidents
- SPC/PERM/33 - Lead unit system - instructions