Find public sector tenders

Tenders were invited to carry out a literature review on the safety of nitrates and nitrites as the food additives potassium nitrite (E 249), sodium nitrite (E 250), sodium nitrate (E 251) and potassium nitrate (E 252).

The Supply of Nitrates at 45 Sewage Pumping stations throughout the Wessex Water operating region.

This work builds on the report completed by WSP in June 2023; NVZ Evidence Review (Report ref:853442-WSPE-RP-OW-00001_PO2). At the time the report was finalised the data for the calendar year 2023 was incomplete. This work will update the findings in ....

Background The Nitrates Directive (91/676/EEC) aims to protect water quality by preventing nitrogenous compounds from agricultural sources polluting ground and surface waters and by promoting the use of good farming practices. The EA is required unde ....

The Norfolk Local Planning Authorities (LPAs), comprising of Broadland District Council, Breckland District Council, Great Yarmouth Borough Council, The Borough Council of King's Lynn & West Norfolk, North Norfolk District Council, Norwich City Counc ....

Test Valley Borough Council are looking to appoint a consultant to undertake a nitrate mitigation assessment on a 15.5Ha mixed arable / grazed site south of Andover, which the Council is in the process of purchasing. The future use of the site, subje ....

The Solent is home to a range of nationally & internationally important habitats. However, many of these habitats are in unfavourable condition due to excess nutrients (particularly nitrates) in the water from a range of sources, including agric. & w ....

Each of STW and HD wish to award framework agreements for the provision of chemicals and gases for the production of potable water and the treatment of waste water. The range of goods is extensive and covers various acids, chlor-alkali’s, lime, nit ....

Each of STW and HD wish to award framework agreements for the provision of chemicals and gases for the production of potable water and the treatment of waste water. The range of goods is extensive and covers various acids, chlor-alkali’s, lime, nit ....

Nitrate is usually present naturally in all vegetables and also arises from the use of nitrogen fertilizers on crops and from nitrate used as a preservative in a small number of foods. Vegetables, particularly, green leafy vegetables (such as lettuce ....