1. BS EN 674:2011. Glass in building - Determination of thermal transmittance (U value) - Guarded hot plate method

2. BS EN 675:2011. Glass in building - Determination of thermal transmittance (U value) - Heat flow meter method

3. BS EN 676:2003 + A2:2008. Automatic forced draught burners for gaseous fuels

4. BS EN 677:1998. Gas-fired central heating boilers - Specific requirements for condensing boilers with a nominal heat input not exceeding 70 kW

5. BS EN 678:1994. Determination of the dry density of autoclaved aerated concrete

6. BS EN 679:2005. Determination of the compressive strength of autoclaved aerated concrete

7. BS EN 680:2005. Determination of the drying shrinkage of autoclaved aerate concrete

8. BS EN 681-1:1996. Elastomeric seals - Material requirements for pipe joint seals used in water and drainage applications - Part 1: Vulcanized rubber

9. BS EN 681-2:2000. Elastomeric seals - Materials requirements for pipe joint seals used in water and drainage applications - Part 2: Thermoplastic elastomers

10. BS EN 681-3:2000. Elastomeric seals - Materials requirements for pipe joint seals used in water and drainage applications - Part 3: Cellular materials of vulcanized rubber