DSEAR guidance documentation published by the UK's Health & Safety Executive
Dangerous Substances & Explosive Atmospheres. 
General requirements and guidance 
Design of Plant and Equipment
 
Ever wondered how to design products, processes and systems for use in hazardous areas, then here is where to start
 
Storage of Dangerous Substances
 
Guidance on the quantities of dangerous substances and how to store them safely.
 
Safe Handling of Combustible Dusts
 
Guidance on the precautions required against explosions from combustible dust and how best to deal with them
 
Control and Mitigation measures
 
Guidance on identification of and control measures against potential sources of ignition
 
Product Standards ATEX
 
Essential health and safety requirements: equipment, protective systems and safety devices must satisfy the relevant essential health and safety requirements set out in Annex C
Safe Maintenance, Repair and Cleaning Procedures
 
Guidance on three crucial areas of DSEAR Compliance, namely Maintenance and Repair operations and procedures and essential requirements for cleaning practices 
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