Drinking Water Quality Division
List of Approved Products and Processes December 2003
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CONTENTS
ABOUT THE APPROVAL PROCESS
1. Background
The Committee on Products and Processes
The Annual List of Approved Products
2. Report 2003
Impact of the 2000 and 2001 Regulations
Committee Business
Audit of approved products
European developments in construction products and treatment chemicals
3. Current Membership of the Committee
4. Details of appointments and members' affiliations
THE ANNUAL LIST OF APPROVED SUBSTANCES AND PRODUCTS UNDER REGULATION 27
PART I CHEMICALS
1. FLOCCULANTS AND COAGULANTS
1.A Products based on tannin
1.B Products based on aluminium
1.C Products based on aluminium and iron
1.D Products based on iron
1.E Products based on bentonite
2. ADSORBENTS
3. ION EXCHANGE RESINS
4. OTHER CHEMICALS
4.A Stabilising agents and corrosion prevention agents
4.B Gases for tracing leaks in water mains
4.C Chemicals for flow meter calibration
5. PRODUCTS FOR THE DISINFESTATION, DISINFECTION AND CLEANING OF WATERWORKS APPARATUS INCLUDING DISTRIBUTION SYSTEMS
5.A Cleaning agents for treated water installations
5.B Products for use in seawater desalination by evaporation
6. DISINFECTANTS FOR EMERGENCY USE
7. PRODUCTS BASED ON TRADITIONAL CHEMICALS
7.A Traditional chemicals
7.B Sodium hypochlorite produced from the on-site electrolytic generation of chlorine
PART II CONSTRUCTION PRODUCTS
PIPES
1.A Polyethylene (PE) pipes
1.B Polyvinylchloride (PVC) pipes
1.C Acrylonitrile-butadiene-styrene copolymer (ABS)
1.D Glass reinforced plastic (GRP) pipes
1.E Cement mortar lined pipes
1.F Polyethylene terephthalate (PET)
1.G Barrier pipes
1.H Stainless steel pipes
1.I Nylon pipes
1.J Pipes lined with factory applied epoxy resin
2. TANKS, UNDERDRAINS, PRESSURE VESSELS AND WATER TREATMENT CONSTRUCTION PRODUCTS
2.A. Tanks
2.B Underdrains
2.C Pressure vessels
2.D Products used in water treatment, clarification
and sedimentation
3. LININGS AND COATINGS
3.A In-situ linings
3.B Coatings applied in-situ to pipes
3.C Site applied coatings for water retaining structures
3.D Flexible covers and linings for water retaining structures
4. CEMENTITIOUS AND ASSOCIATED PRODUCTS
4.A Cementitious linings and coatings
4.B Sealants and repair materials for cement
5. PRODUCTS FOR EMERGENCY USE
PART III MEMBRANES AND FILTERS
1. MEMBRANE FILTRATION ELEMENTS
2. VESSELS AND CONTAINERS FOR MEMBRANE FILTRATION ELEMENTS
3. PRODUCTS FOR THE DISINFECTION AND CLEANING OF MEMBRANES APPENDICES
APPENDIX 1 CHANGES TO APPROVALS
Modified conditions of approval
List of products refused approval during 2002
Prohibition of use of substances and products
Revocation of approval
Approval of processes
British standards (BS EN) for chemicals used for treatment of water intended for human consumption
British Standards (BS EN) for inorganic supporting and filtering materials used for treatment of water
intended for human consumption
British Standards (BS EN) on the influence of organic materials on water intended for human consumption
1.9 List of Authorised Cement Admixtures
APPENDIX 2 AMENDMENTS TO THE LIST OF APPROVED SUBSTANCES AND PRODUCTS
2.1 Deletions from the list of approved substances and products
2.2 Changes in company ownership of approved products
APPENDIX 3 CONTRACTORS APPROVED FOR THE IN-SITU APPLICATION OF POLYMERIC COATINGS
3.1 Contractors approved by WRc for the in-situ application of epoxy resins
3.2 Contractors approved by FaberMaunsell for the in-situ application of rapid-setting polymeric linings
APPENDIX 4 LISTINGS
4.1 Manufacturers and suppliers addresses