BS EN 16994:2018 Clay Geosynthetic Barriers. Characteristics required for use in the construction of underground structures (other than tunnels and associated structures)

Geosynthetic barriers
Clay
Construction materials
Mass
Density measurement
Geosynthetic materials
Moisture measurement
Clay soils

Link: BS EN 16994:2018 Clay Geosynthetic Barriers. Characteristics required for use in the construction of underground structures (other than tunnels and associated structures)
Source: BSI Standards

BS ISO 25498:2018 Microbeam analysis. Analytical electron microscopy. Selected area electron diffraction analysis using a transmission electron microscope

Chemical analysis and testing
Electron diffraction
Spectroscopy
Test specimens
Microanalysis
Crystal lattices
Electron microscopes
Electron beams
Optical instruments

Link: BS ISO 25498:2018 Microbeam analysis. Analytical electron microscopy. Selected area electron diffraction analysis using a transmission electron microscope
Source: BSI Standards

BS EN ISO 7500-1:2018 Metallic materials. Calibration and verification of static uniaxial testing machines Tension/compression testing machines. Calibration and verification of the force-measuring system

Force measurement
Force
Verification
Compression testing
Mechanical testing
Inspection
Statics
Tensile testing
Metals

Link: BS EN ISO 7500-1:2018 Metallic materials. Calibration and verification of static uniaxial testing machines Tension/compression testing machines. Calibration and verification of the force-measuring system
Source: BSI Standards

BS EN ISO 17601:2018 Soil quality. Estimation of abundance of selected microbial gene sequences by quantitative PCR from DNA directly extracted from soil

Appearance
Field testing
Soils
Soil testing
Soil classification tests
Soil sampling
Soil surveys
Land use
Composition
Quality
Ground water

Link: BS EN ISO 17601:2018 Soil quality. Estimation of abundance of selected microbial gene sequences by quantitative PCR from DNA directly extracted from soil
Source: BSI Standards