• Persistence of Organic Contaminants

  Document

  • Published GMT 1 January 1991
  • Ref: DWI0442
• Environmental Hazard Assessment: di-(2-Ethylhexyl)Phthalate

  Document

  • Published GMT 1 January 1991
  • Ref: DWI0633
• Survey on Occurrence of Tecnazene and Its Breakdown Products in Effluent from Potato Processing Plants and Relevant Water Reclamation Works. Final Report.

  Document

  • Published GMT 1 January 1991
  • Ref: DWI0149
• The Determination of Pentachlorophenol in Sewage Sludge. A Report for the Department of The Environment

  Document

  • Published GMT 1 January 1991
  • Ref: DWI0173
• Approved Material Testing Procedures (DWE 9534), Progress Report to the Department of the Environment – July to December 1990

  Document

  • Published GMT 1 January 1990
  • Ref: DWI0726
• Investigation of In-Situ Bacterial Denitrification in the Confined Chalk Aquifer in Norfolk and North London WD/90/4

  Document

  • Published GMT 1 January 1990
  • Ref: DWI0144
• Proposed Provisional Environmental Quality Standards for Trifluralin in Water (ESSL9378) DoE 2231-M/1

  Document

  • Published GMT 1 January 1990
  • Ref: DWI0118
• Diatoms as Water Quality Indicators in British Rivers

  Document

  • Published GMT 1 January 1990
  • Ref: DWI0178
• 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