1. Application of a personal exposure visualisation tool for environmental monitoring Dr Peter Walsh Environmental Monitoring Group Health and Safety Laboratory Broad Lane Sheffield S3 7HQ

2. Health & Safety Laboratory HSL is a government research laboratory – Agency of Health & Safety Executive (HSE)  Regulatory authority for workplace health and safety – 350 staff in Sheffield and Buxton (all in Buxton in 2004) – Contract work for HSE (85%) – External contract work (15%)

3. HSL – Subject groups Fire, explosions and Process safety Risk assessment Engineering Control Occupational and environmental health Behavioural and social sciences Work environment

4. Exposure visualisation The combination of real-time monitoring coupled with videoing the worker’s ‘activity’ to show graphically the link between personal exposure and the task and operating conditions. Demonstration of software for data analysis (over lunch)

5. The equipment Hand-held camcorder To record the work practices, environmental conditions etc. Notebook computer Application specific software for data logging, display and analysis Digital Radio Telemetry Wireless transmission of exposure data (and video) to computer Fast response real-time instruments To measure personal exposure, mounted upon a purpose-designed harness

6. Rôle of exposure visualisation Occupational hygiene task analysis – Task contribution to exposure and duration Training, eg video clips, CD highlights Guidance 30% task 2 70% task 1

7. Instrumentation for workplace/environmental monitoring Carbon monoxide – Electrochemical sensor VOCs – Photoionisation detector Ozone – UV photometry? – Semiconductor (WO3)? Particulates – light scatter (P-Trak, Dataram) Noise dosimetry?

8. Environmental applications Correlation of personal/portable monitors with analytical instruments (pedestrian-cyclist-driver) Combination of environmental exposure visualisation and GIS