1. BS EN 140:1999. Respiratory protective devices - Half masks and quarter masks - Requirements, testing, marking

2. BS EN 148-1:1999. Respiratory protective devices - Threads for facepieces - Part 1: Standard thread connection

3. BS EN 148-2:1999. Respiratory protective devices - Threads for facepieces - Part 2: Centre thread connection

4. BS EN 148-3:1999 (2000). Respiratory protective devices - Threads for facepieces - Part 3: Thread connection M45 × 3

5. BS EN 149:2001 + A1:2009. Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing,marking

6. BS EN 165:2005. Personal eye-protection - Vocabulary

7. BS EN 166:2002. Personal eye-protection - Specifications

8. BS EN 167:2002. Personal eye-protection - Optical test methods

9. BS EN 169:2002. Personal eye-protection - Filters for welding and related techniques - Transmittance requirements and recommended use

10. BS EN 171:1992. Specification for Infra-red filters used in personal eye-protection equipment