Useful links

IMA-Europe website: www.ima-europe.eu
IMA REACH Hub: http://www.ima-reach-hub.eu/
EUROSIL website: http://www.eurosil.eu
NEPSI website: www.nepsi.eu (NEPSI is the European Network on Silica gathering all the signatories of the European Social Dialogue Agreement).
"A Practical Guide to an Occupational Health Program for Respirable Crystalline Silica" developed by the Industrial Minerals Association – North America (IMA-NA) and the Mine Safety and Health Administration: http://arlweb.msha.gov/alliances/formed/IG103.pdf
ILO/WHO Joint Global Programme on the Elimination of Silicosis from the world by 2030 http://www.who.int/occupational_health/publications/newsletter/gohnet12e.pdf 
UK Control of Substances Hazardous to Health (COSHH) Essentials guidance publications: http://www.hse.gov.uk/pubns/guidance/index.htm