1. BS EN 1092-4:2002. Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 4: Aluminium alloy flanges

2. BS EN 1093-1:2008. Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 1: Selection of test methods

3. BS EN 1093-2:2006 + A1:2008. Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 2: Tracer gas method for the measurement of the emission rate of a given pollutant

4. BS EN 1093-3:2006 + A1:2008. Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 3: Test bench method for the measurement of the emission rate of a given pollutant

5. BS EN 1093-4:1996 + A1:2008. Safety of machinery - Evaluation of the emission of airborne hazardous substan-ces - Part 4: Capture efficiency of an exhaust system - Tracer method

6. BS EN 1093-6:1998 + A1:2008. Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 6: Separation efficiency by mass, unducted outlet

7. BS EN 1093-7:1998 + A1:2008. Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 7: Separation efficiency by mass, ducted outlet

8. BS EN 1093-8:1998 + A1:2008. Safety of machinery - Evaluation of the emission of airborne hazardous substances - Part 8: Pollutant concentration parameter, test bench method

9. BS EN 902:2016. Chemicals used for treatment of water intended for human consumption - Hydrogen peroxide

10. BS EN 903:1994 BS 6068-2.23:1994. Water quality - Determination of anionic surfactants by measurement of the methylene blue index MBAS