Scottish Government

5. PRODUCTS FOR THE DISINFESTATION, DISINFECTIONAND CLEANING OF WATERWORKS APPARATUS INCLUDING DISTRIBUTION SYSTEMS
5.A Disinfestation agents
5.B Cleaning agents for treated water installations
5.C Products for use in seawater desalination by evaporation

6. PRODUCTS FOR EMERGENCY USE
6.A Disinfectants

7.TRADITIONAL CHEMICALS
7.A Products based on traditional chemicals

PART II CONSTRUCTION PRODUCTS
1. 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

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 Factory applied linings and coatings
3.B In-situ tubular linings
3.C Linings and coatings applied in-situ to pipes
3.D Site applied coatings for water retaining structures
3.E Reservoir covers and linings

4. CEMENTITIOUS AND ASSOCIATED PRODUCTS
4.A Cementitious linings and coatings
4.B Sealants and repair materials for cement

5. PRODUCTS FOR EMERGENCY USE
5.A Water containers and hoses

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
1.1 Modified conditions of approval
1.2 List of products refused approval during 2002
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 intended for human consumption

1.9 List of Authorised Cement Admixtures

APPENDIX 2 REGULATIONS 25 AND 26 OF THE WATER SUPPLY (WATER QUALITY)(SCOTLAND) REGULATIONS 1990 AS AMENDED BY THE WATER SUPPLY (WATER QUALITY)(SCOTLAND) (AMENDMENT) REGULATIONS 1991

APPENDIX 3 AMENDMENTS TO THE LIST OF APPROVED SUBSTANCES AND PRODUCTS
3.1 Deletions from the list of approved substances
and products
3.2 Changes in company ownership of approved products

APPENDIX 4 CONTRACTORS APPROVED FOR THE IN SITU APPLICATION OF POLYMERIC COATINGS
4.A Contractors approved by WRc for the in situ application of epoxy resins
4.B Contractors approved by FaberMaunsell for the in situ application of rapid-setting polymeric linings

APPENDIX 5 LISTINGS
5.1 Manufacturers' and suppliers addresses
5.2 Manufacturers' and suppliers index
5.3 Product index