DRINKING WATER QUALITY DIVISION: LIST OF APPROVED PRODUCTS AND PROCESSES
DECEMBER 2004
ISBN 0 7559 3931 X
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CONTENTS
INTRODUCTION
1. About the approval process
Basis of Approval
The Committee on Products and Processes
The Annual List of Approved Products
2. Report 2004
Committee Business
Communications with water industry and approval holders
Audit of approved products
European developments in construction products and
treatment chemicals
3. Membership of the Committee
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
3.A Ion Exchange Resins
3.B Treatment Systems for Ion Exchange Resins
4. OTHER CHEMICALS
5. PRODUCTS FOR THE DISINFESTATION, DISINFECTION OR CLEANING OF WATERWORKS APPARATUS INCLUDING DISTRIBUTION SYSTEMS
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 (tubular) 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
3.E Cementitious coatings
4. SEALANT AND REPAIR MATERIALSFOR CEMENT
5. PRODUCTS FOR EMERGENCY USE
5.A Hoses
5.B Bowsers/tanks
PART III MEMBRANES AND FILTRATION SYSTEMS
1. MEMBRANE FILTRATION ELEMENTS
2. VESSELS AND CONTAINERS FOR MEMBRANE FILTRATION ELEMENTS
3. PRODUCTS FOR THE DISINFECTION AND CLEANING OF MEMBRANES
4. ELECTRODIALYSIS WATER TREATMENT UNITS APPENDICES
APPENDIX 1 CHANGES TO APPROVALS
1.1 Modified conditions of approval
1.2 List of products refused approval during 2004
1.3 Prohibition of use of substances and products
1.4 Revocation of approval
1.5 Approval of processes
1.6 British standards (BS EN) for chemicals used for treatment of water
1.7 British Standards (BS EN) for inorganic supporting and filtering materials
1.8 British Standards (BS EN) on the influence of organic Materials on water
1.9 List of Authorised Cement Admixtures
APPENDIX 2 AMENDMENTS TO THE LIST OF APPROVED PRODUCTS
2.1 Deletions from the list of approved products
2.1.A Products deleted because they are no longer supplied or their approval has lapsed
2.1.B Products deleted because they are covered by a BS EN
2.2 Changes in ownership or designation of approved products
2.2.A Change in company name or ownership
2.2.B Change in product designation
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