CEN/TC 211
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 20961 | prEN ISO 11203:1995 rev | Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other positions | Izstrādē |
| 41275 | EN ISO 4869-1:2018 | Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation (ISO 4869-1:2018) | Izstrādē |
| 24106 | EN ISO 389-5:2006 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO 389-5:2006) | Izstrādē |
| 26646 | EN ISO 8253-1:2010 | Acoustics - Audiometric test methods - Part 1: Basic pure-tone air and bone conduction threshold audiometry (ISO/DIS 8253-1:2008) | Izstrādē |
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