The committee's statement can be found on the Internet at www.doh.gov.uk/munipwst.htm.The Department of Health in England has recently published guidance, reflecting the advice of the Committee on Medical Effects of Air Pollutants, on Investigating the health impact of emissions to air from local industry, which can be found at http://www.doh.gov.uk/comeap/goodpracticeguide.pdf and statements on the applicability of time-series co-efficients to areas affected by emissions of air pollutants from industrial sources, at http://www.doh.gov.uk/comeap/areaemissions.htm.The UK Health Departments will continue to take account of any new...