Listed below are the main health & safety approved codes of practice for the UK, they are available from the Health & Safety Executive, www.hse.gov.uk, or the Health & Safety Laboratory, www.hsl.gov.uk, if you need further guidance on the applicability of these documents or understanding the implications of the DSEAR Regulations then just contact us and we will assist you further.
DSEAR - What is it?
Implementation in the UK
In the UK, the HSE have combined the following Regulations and Directives to form the DSEAR Regulations, due to their similar requirements,
The ATEX Directive 99/92/EC
The Chemical Agents Directive 98/24/EC
The former covers the safe operation of plant and equipment by operational personnel and covers the main requirements and provisions for training, maintenace, clleaning and emergency provisions, the latter covers the raw materials, their use, storage and transportation etc.
The various areas within a DSEAR Site must be appropriately identified and signage must be in use where personnel have access to hazardous areas.

Pedstrian Access
Typically, where pedestrian acces is needed then an example sign might be as shown here.

No Smoking Signage.
One must not forget the obvious signs, where these are needed,
All equipment certified under the ATEX Directive 94/9/EC, must be appropriately marked, and the main identification symbol which must be placed on the equipment is shown opposite.
This must be followed by the appropriate code for the type on environment where the equipment can be used.
Such as
II 2 G/D
The first letters (II) represent the group of the Equipment. in this example for above ground use.
The second numeral (2) relates to the Category of equipment, either 1, 2 or 3 depending on the severity of the environment.
Equipment Categories
The ATEX Directive, in Annex I, defines five categories of equipment:
M1 and M2 (mining use)
CAT 1, CAT 2, and CAT 3 (non-mining use)
Finally, the remaining letters indicate either (G) a Gaseous environment or (D) a Dust environment or as in our case both