1. BS EN ISO 21809-5:2010. Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems Part 5: External concrete coatings (ISO 21809-52010)

2. BS EN ISO 21952:2012. Welding consumables - Wire electrodes, wires, rods and deposits for gas shielded arc welding of creep-resisting steels - Classification (ISO 219522012)

3. BS EN ISO 22854:2016. Liquid petroleum products - Determination of hydrocarbon types and oxygenates in automotive-motor gasoline and in ethanol (E85) automotive full -multidimensional gas chromatography method (ISO 228542016)

4. BS EN ISO 22975-3:2014. Solar energy - Collector components and materials Part 3: absorber surface durability

5. BS EN ISO 23251:2007 + A1:2008. Petroleum, petrochemical and natural gas industries - Pressure-relieving and depressuring systems

6. BS EN ISO 23936-1:2009. Petroleum, petrochemical and natural gas industries - Non-metallic materials in contact with media related to oil and gas production Part 1: Thermoplastics (ISO 23936-12009)

7. BS EN ISO 23936-2:2011. Petroleum, petrochemical and natural gas industries - Non-metallic materials in contact with media related to oil and gas production Part 2: Elastomers

8. BS EN ISO 23993:2010. Thermal insulation products for building equipment and industrial installations - Determination of design thermal conductivity (ISO 239932008)

9. BS EN ISO 24817:2015. Petroleum, petrochemical and natural gas industries - Composite repairs for pipework - Qualification and design, installation, testing and inspection

10. BS EN ISO 25139:2011. Stationary source emissions - Manual method for the determination of the methane concentration using gas chromatography (ISO 251392011)