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Draft standard

OVE EN 50522/A1

Earthing of power installations exceeding 1 kV a.c. (Amendment) (english version)
Edition 2024-02-15

Pre-standard

ISO/TS 11665-13

Measurement of radioactivity in the environment - Air: radon 222 - Part 13: Determination of the diffusion coefficient in waterproof materials: membrane two-side activity concentration test method
Edition 2017-10

Standards [CURRENT]

UNE-EN 50522

Earthing of power installations exceeding 1 kV a.c.
Edition 2012-07-11

Standards [CURRENT]

UNE-EN 50522

Earthing of power installations exceeding 1 kV a.c.
Edition 2022-11-02

Standards [CURRENT]

OENORM EN ISO 14644-16

Cleanrooms and associated controlled environments - Part 16: Energy efficiency in cleanrooms and separative devices (ISO 14644-16:2019)
Edition 2020-01-15

Earthing of power installations exceeding 1 kV a.c
Edition 2022-03-04

Earthing of power installations exceeding 1 kV a.c
Edition 2012-12-01

Standards [CURRENT]

ISO 16000-36

Indoor air - Part 36: Standard method for assessing the reduction rate of culturable airborne bacteria by air purifiers using a test chamber
Edition 2018-10

Standards [CURRENT]

ISO 23320

Workplace air - Gases and vapours - Requirements for evaluation of measuring procedures using diffusive samplers
Edition 2022-04

Standards [CURRENT]

ISO 14644-15

Cleanrooms and associated controlled environments - Part 15: Assessment of suitability for use of equipment and materials by airborne chemical concentration
Edition 2017-10

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