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Proposals for a Workplace Exposure Limit for Respirable Crystalline Silica

The Health and Safety Commission have issue this consultative document in compliance with its duty to consult, under sections 16(2) and 50(3) of the Health and Safety at Work etc. Act 1974, bodies, which appear to it appropriate before submitting proposals for the making of Regulations and the issue of Approved Codes of Practice.


This Consultative Document seeks comments on a proposal for a new Workplace Exposure Limit (WEL) for respirable crystalline silica by the Health and Safety Commission (HSC).

The proposal recommends a reduction from the current WEL of 0.3 mg.m-3 for respirable crystalline silica to a new WEL of 0.1 mg.m-3 (measured as an 8-hour time weighted average).

If the proposal were to be agreed HSE would bring the new WEL into force in 2006. A new WEL set at 0.1 mg.m–3 would be accompanied by practical advice on how to control exposures to respirable crystalline silica in the workplace.

Comments should be sent by 13 March 2006 to:

Pauline Dillon
Health and Safety Executive
Room 101 Daniel House
Stanley Precinct
Trinity Road
L20 3TW

This consultation has now ended

Updated 2011-07-15