The HSE website provides general information and advice about workplace noise and what an employer can do about it.
Up to date information about the status of the new UK Noise Regulations which will implement the EU Directive 86/188/EEC is at www.hse.gov.uk/noise/regulations.htm

HSE Publications are at www.hsebooks.co.uk
HSE FREQUENTLY ASKED QUESTIONS are at www.hse.gov.uk/noise/faq.htm

Other useful resources:
Reducing noise at work. Guidance on the Noise at Work Regulations 1989. L108 ISBN 0 7176 1511 1 HSE.
This provides advice and guidance on legal aspects of the current Regulations, as well as practical control measures that can be used and how an employer may choose a competent person to conduct noise assessments.
Sound Solutions: techniques to reduce noise at work. HSG 138 ISBN 0 7176 0791 7 HSE Books.
Sound Solutions Offshore: Practical examples of noise reduction. HSG182 ISBN 0 7176 6581 2 HSE Books.
Sound Solutions in Food and Drink: Reducing noise in food and drink manufacturing. HSG 232 0 7176 2548 6 HSE Books Noise at Work: Advice for Employers: INDG 362. HSE
A guidance booklet on the Noise at Work Regulations and steps that can be taking to address noise related problems.

DEAFNESS RESEARCH UK are at www.deafnessresearch.org.uk/

CITB are at www.citb-constructionskills.co.uk/healthsafety/