Normas ISO

Information technology -- Electronic discovery-- Part 2: Guidance for governance and management of electronic discovery

Acoustics -- Hearing protectors-- Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn

Acoustics -- Hearing protectors-- Part 1: Subjective method for the measurement of sound attenuation

Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems-- Part 1: Polyolefin coatings (3-layer PE and 3-layer PP)

Indoor air-- Part 36: Standard method for assessing the reduction rate of culturable airborne bacteria by air purifiers using a test chamber

Water quality -- General requirements and guidance for microbiological examinations by culture