BS ISO 19741:2018 Optics and photonics. Optical materials and components. Test method for striae in infrared optical materials

Interfaces
Optical instruments
Telescopic
Telescopes
Visual perception
Performance
Seatings
Optics
Weapons
Outdoor sports equipment
Tolerances (measurement)
Classification systems
Dimensional tolerances
Small arms
Tolerances of position
Optical properties of materials

Link: BS ISO 19741:2018 Optics and photonics. Optical materials and components. Test method for striae in infrared optical materials
Source: BSI Standards

BS EN 689:2018 Workplace exposure. Measurement of exposure by inhalation to chemical agents. Strategy for testing compliance with occupational exposure limit values

Testing conditions
Sampling methods
Air pollution
Statistical methods of analysis
Mathematical calculations
Chemical industry
Hazards
Working conditions (physical)
Safety measures
Chemical hazards
Occupational safety
Concentration (chemical)
Environment (working)
Industrial air pollutants

Link: BS EN 689:2018 Workplace exposure. Measurement of exposure by inhalation to chemical agents. Strategy for testing compliance with occupational exposure limit values
Source: BSI Standards

ISO/IEC/IEEE 8802-11:2018 Information technology. Telecommunications and information exchange between systems. Local and metropolitan area networks. Specific requirements Wireless LAN medium access control (MAC) and physical layer (PHY) specifications

Link: ISO/IEC/IEEE 8802-11:2018 Information technology. Telecommunications and information exchange between systems. Local and metropolitan area networks. Specific requirements Wireless LAN medium access control (MAC) and physical layer (PHY) specifications
Source: BSI Standards