• Proposed Provisional Environmental Quality Standards for Malathion in Water (ESSL9378) DoE 2110-M/1

  Document

  • Published GMT 1 January 1990
  • Ref: DWI0121
• Proposed Provisional Environmental Quality Standards for Dichlorvos in Water (ESSL9378) DoE 2249-M

  Document

  • Published GMT 1 January 1990
  • Ref: DWI0119
• Proposed Provisional Environmental Quality Standards for Fenitrothion in Water (DWE9378) DoE 2197-M

  Document

  • Published GMT 1 January 1990
  • Ref: DWI0117
• Provisional Environmental Quality Standards for Endosulfan in Water DoE 2527-M

  Document

  • Published GMT 1 January 1990
  • Ref: DWI0120
• Dewatering Sewage Sludge by Centrifuge

  Document

  • Published GMT 1 January 1990
  • Ref: DWI0183
• Cryptosporidium and Water Courses PRS 2292-M
  • Published GMT 12 January 1989
  • Ref: DWI0270
• Provision of Basic Utilities in Rural England

  Document

  • Published GMT 1 January 1989
  • Ref: DWI0632
• The Sampling and Monitoring of Groundwater Quality WD/89/37

  Document

  • Published GMT 1 January 1989
  • Ref: DWI0148
• Sampling of Groundwater with special reference to Saline/Freshwater Conditions Phase 3. Final Report October 1988-October 1989

  Document

  • Published GMT 1 January 1989
  • Ref: DWI0196
• Sampling of Groundwater with special reference to Saline/Freshwater Conditions. Appendices

  Document

  • Published GMT 1 January 1989
  • Ref: DWI0197
• Prediction of Groundwater Nitrate Concentrations (CS 9248). Progress Report to the Department of the Environment. 1 January to 30 June 1989

  Document

  • Published GMT 1 January 1989
  • Ref: DWI0281
• Survey of the Effectiveness of Ozone and Ultraviolet Light in Reducing the Concentration of Pesticides in Drinking Water (WTT 981 SLG)

  Document

  • Published GMT 1 January 1989
  • Ref: DWI0114