Acoustics. Determination of sound immission from sound sources placed close to the ear. - Technique using a microphone in a real ear (MIRE technique)1 Scope This part of ISO 11904 specifies basic framework measurement methods for sound immission from sound sources placed close to the ear. These measurements are carried out with miniature or probe microphones inserted in the ear canals of human subjects. The measured values are subsequently converted into corresponding free field or diffuse field levels. The results are given as free field related or diffuse field related equivalent continuous A

BS EN 71-11 specifies methods of analysis to enable assessment of compliance with the chemical requirements specified in EN 71-9 when toy and toy material extracts have been prepared according to the sampling procedures in EN 71-10

Regulators/quality managers

PD CEN/TR 17345 on waste samples of halogens and sulphur is useful for:

With obedience and compliance to BS 3936-11

occupational hygiene and asset durability

Battery manufacturers and suppliers

BS ISO 11231:2019 supersedes BS ISO 11231:2010

They also apply to standby lighting used as emergency escape lighting and gives practical guidance to make it more effective in an emergency

The laboratory test closely simulates practical conditions of application including pre-drying bacteria on a carrier

BS EN 10272:2007 is the standard that specifies the technical delivery conditions for hot and cold formed stainless steel bars for the construction of pressure equipment supplied in accordance with one of the process routes and surface finishes listed

Data-related terms

and purchasers (or the person who advises the employer) in making the necessary decisions regarding the selection