1. BS EN 241:2000. Methods of test for petroleum and its products - BS 2000-464 Liquid petroleum products - Determination of sodium content - Atomic absorption spectrometric method (Identical with IP 4642001)

2. BS EN 287-1:2011. Qualification test of welders - Fusion welding - Part 1: Steels

3. BS EN 287-2:1992. Approval testing of welders for fusion welding - Part 2: Aluminium and its alloys

4. BS EN 287-6:2010. Qualification test of welders - Fusion welding - Part 6: Cast iron

5. BS EN 288-1:1992. Specification and approval of welding procedures for metallic materials - Part 1: General rules for fusion welding

6. BS EN 288-2:1992. Specification and approval of welding procedures for metallic materials - Part 2: Welding procedure specification for arc welding

7. BS EN 288-3:1992. Specification and approval of welding procedures for metallic materials - Part 3: Welding procedure tests for the arc welding of steels

8. BS EN 288-4:1992. Specification and approval of welding procedures for metallic materials - Part 4: Welding procedure tests for the arc welding of aluminium and its alloys

9. BS EN 288-5:1995. Specification and approval of welding procedures for metallic materials - Part 5: Approval by using approved welding consumables for arc welding

10. BS EN 288-6:1995. Specification and approval of welding procedures for metallic materials - Part 6: Approval related to previous experience