1. BS EN 12019:1998 Zinc and zinc alloys - Optical emission spectrometric analysis

2. BS EN 12020-1:2008 Aluminium and aluminium alloys - Extruded precision profiles in alloys EN AW-6060 and EN AW-6063 - Part 1: Technical conditions for inspection and delivery

3. BS EN 12020-2:2008 Aluminium and aluminium alloys - Extruded precision profiles in alloys EN AW-6060 and EN AW-6063 - Part 2: Tolerances on dimensions and form

4. BS EN 12021:2014 Respiratory equipment - Compressed gases for breathing apparatus

5. BS EN 12022:1999 Blood-gas exchangers

6. BS EN 12039:2016 Flexible sheets for waterproofing - Bitumen sheets for roof waterproofing - Determination of adhesion of granules

7. BS EN 12046-1:2003 Operating forces - Test method - Part 1: Windows

8. BS EN 12046-2:2000 Operating forces - Test method - Part 2: Doors

9. BS EN 12050-1:2015 Wastewater lifting plants for buildings and sites - Part 1: Lifting plants for wastewater containing faecal matter

10. BS EN 12050-2:2015 Wastewater lifting plants for buildings and sites - Part 2: Lifting plants for faecal-free wastewater