Operational Circulars 300-399
- OC 308/10 (REV) - Steam-heated drying cylinders fitted with dished ends[12]
- OC 308/14 - Pressure equipment directive 97/23/ec - Interpretation of recital no 5 as implemented by reg 4(2) of the pressure equipment regulations 1999[13]
- OC 308/13 - The pressure systems and transportable gas containers regulations 1989[14]
- OC 313/5 - The Manual Handling Operations Regulations 1992 (as amended) (MHOR)[15]
- OC 314/20 - Preventing falls from mobile elevating work platforms (MEWPs) and selection and use of fall protection equipment[16]
- OC 331/5 - Adventure Activities Licensing Regulations 2004 – Guidance for Enforcing Authorities[17]
- OC 334/2 - Prison service organisation, management and inspection[18]
- OC 334/5 - Inspection of fire service[19]
- OC 349/6 - The genetically modified organisms (contained use) regulations 2000 and other regulations relating to the contained use of GMOs[20]
- OC 349/10 - Primary inspection responsibilities and the use of specialist support for work with biological agents[21]
- OC 380/5 - Railway level crossings on farms [22]
- OC 394/1 - Suspected adverse reactions surveillance scheme[23]