1. BS EN 12309-5:2014 Gas-fired sorption appliancesfor heating andor cooling witha net heat input not exceeding70 kW - Part 5: Requirements

2. BS EN 12309-6:2014 Gas-fired sorption appliancesfor heating andor cooling witha net heat input not exceeding70 kW - Part 6: Calculation of seasonalperformances

3. BS EN 12309-7:2014 Gas-fired sorption appliancesfor heating andor cooling witha net heat input not exceeding70 kW - Part 7: Specific provisions for hybridappliances

4. BS EN 12310-1:2000 Flexible sheets for waterproofing - Determination of resistance to tearing

5. BS EN 12310-2:2000 Flexible sheets for waterproofing - Determination of resistance to tearing - Part 2: Plastic and rubber sheets for roof waterproofing

6. BS EN 12311-1:2000 Flexible sheets for waterproofing - Determination of tensile properties - Part 1: Bitumen sheets for roof waterproofing

7. BS EN 12311-2:2013 Flexible sheets for waterproofing - Determination of tensile properties - Part 2: Plastic and rubber sheets for roof waterproofing

8. BS EN 1717:2000 Protection against pollution of potable water in water installations and general requirements of devices o prevent pollution by backflow

9. BS EN 1754:2015 Magnesium and magnesium alloys - Designation system for anodes, ingots and castings - Material symbols and material numbers

10. BS EN 10303:2015 Thin magnetic steel strip and sheet for use at medium frequencies