| The WaterSupply ( Water Quality) Regulations 2000 (as amended) |
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| The Private Water Supplies Regulations 2009 |
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| Swimming Pool Water Quality BSI Code of Practice PAS39:2003 |
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| Management of spa pools: Controlling the risk of infection Part 1 |
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| Management of spa pools: Part 2 |
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| Interpreting Your Microbiological Results |
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