BS EN ISO 389-7:2019 Acoustics. Reference zero for the calibration of audiometric equipment Reference threshold of hearing under free-field and diffuse-field listening conditions

Auditory threshold
Test equipment
Acoustoelectric devices
Audiology
Audiometers
Sound intensity
Audiofrequencies
Calibration
Acoustic equipment
Acoustic measurement
Hearing (auditory perception)
Control samples
Testing conditions
Audiometry

Link: BS EN ISO 389-7:2019 Acoustics. Reference zero for the calibration of audiometric equipment Reference threshold of hearing under free-field and diffuse-field listening conditions
Source: BSI Standards

BS ISO 22634-2:2019 Cigarettes. Determination of benzo[a]pyrene in cigarette mainstream smoke using GC/MS Method using cyclohexane as extraction solvent

Cigarettes
Mass spectrometry
Aromatic hydrocarbons
Tobacco
Gas chromatography
Smoke
Tobacco testing
Determination of content
Chemical analysis and testing
Cyclic compounds

Link: BS ISO 22634-2:2019 Cigarettes. Determination of benzo[a]pyrene in cigarette mainstream smoke using GC/MS Method using cyclohexane as extraction solvent
Source: BSI Standards

BS EN 16809-1:2019 Thermal insulation products of buildings. In-situ formed products from loose-fill expanded polystyrene (EPS) beads and bonded expanded polystyrene beads Specification for the bonded and loose-fill products before installation

Thermal insulation
Products
Buildings
Polystyrene
Beads

Link: BS EN 16809-1:2019 Thermal insulation products of buildings. In-situ formed products from loose-fill expanded polystyrene (EPS) beads and bonded expanded polystyrene beads Specification for the bonded and loose-fill products before installation
Source: BSI Standards