HC Deb 27 January 1993 vol 217 c764W
Mr. Hendry

To ask the Secretary of State for the Environment what have been the results, on a week-by-week basis, of the monitoring that has been carried out by his Department of the emissions from the Ferro-Alloys chimney in Glossop, Derbyshire, since August 1992.

Mr. Maclean

Ferro-Alloys Ltd., Glossop is required to monitor continuously the emission from its stack for the rate of release of sulphur dioxide. The maximum permitted emission is 113 kg per hour. Her Majesty's inspectorate of pollution (HMIP) is provided with the monitoring results on a monthly basis. The results so far are as follows:

  • September average for the month 97 kg/hr
  • October average for the month 105 kg/hr
  • November average for the month 105 kg/hr
  • December average for the month 98 kg/hr

Check monitoring carried out by HMIP suggests that the monitor over-estimates the actual emission by 10 per cent. This is considered to give a generous safety factor.