BS EN 16951-1:2018 Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Procedures for assessing long term performance Acoustic characteristics

Railway vehicles
Testing conditions
Acoustics
Railways
Railway equipment
Internal
Wave physics
Acoustic measurement
Test equipment
Sound intensity
Noise (environmental)

Link: BS EN 16951-1:2018 Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Procedures for assessing long term performance Acoustic characteristics
Source: BSI Standards

BS EN ISO 21225-2:2018 Plastics piping systems for the trenchless replacement of underground pipeline networks Replacement off the line by horizontal directional drilling and impact moling

Plastics
Piping systems
Pipelines
Underground
Test methods
Fittings (pipes)

Link: BS EN ISO 21225-2:2018 Plastics piping systems for the trenchless replacement of underground pipeline networks Replacement off the line by horizontal directional drilling and impact moling
Source: BSI Standards

BS EN ISO 14254:2018 Soil quality. Determination of exchangeable acidity using barium chloride solution as extractant

Exchange capacity (soils)
Determination of content
pH
Quality
Aluminium inorganic compounds
Acidity
Chemical analysis and testing
Spectrophotometry
Soil testing
Volumetric analysis
Cations
Ion-exchange methods
Soils

Link: BS EN ISO 14254:2018 Soil quality. Determination of exchangeable acidity using barium chloride solution as extractant
Source: BSI Standards

BS EN ISO 9241-11:2018 Ergonomics of human-system interaction Usability: Definitions and concepts

Effectiveness
Performance
Display devices (computers)
Ergonomics
Design
Working conditions (physical)
Office equipment
Computer terminals
Efficiency
Work spaces
Computer peripheral equipment
Performance testing
Installation
Office machines
Bibliography

Link: BS EN ISO 9241-11:2018 Ergonomics of human-system interaction Usability: Definitions and concepts
Source: BSI Standards