UNE - Spanish national standards

Stationary source emissions - Determination of the mass concentration of ammonia - Manual method (ISO 21877:2019)

Available languages: English, Spanish

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Packaging - Flexible intermediate bulk containers (FIBCs) for non-dangerous goods (ISO 21898:2024)

Available languages: English, Spanish

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Tourism and related services — Accessible tourism for all — Requirements and recommendations

Available languages: Spanish, English

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Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 1: General requirements (ISO 21904-1:2020)

Available languages: English, Spanish

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Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 2: Requirements for testing and marking of separation efficiency (ISO 21904-2:2020)

Available languages: English, Spanish

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Health and safety in welding and allied processes - Requirements, testing and marking of equipment for air filtration - Part 3: Determination of the capture efficiency of on-torch welding fume extraction devices (ISO 21904-3:2018)

Available languages: English, Spanish

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Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 4: Determination of the minimum air volume flow rate of capture devices (ISO 21904-4:2020)

Available languages: English, Spanish

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Passive neutron dosimetry systems - Part 1: Performance and test requirements for personal dosimetry (ISO 21909-1:2021) (Endorsed by Asociación Espanola de Normalización in September of 2023.)

Available languages: English

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Passive neutron dosimetry systems - Part 2: Methodology and criteria for the qualification of personal dosimetry systems in workplaces (ISO 21909-2:2021) (Endorsed by Asociación Espanola de Normalización in September of 2023.)

Available languages: English

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Solid recovered fuels - Determination of self-heating - Part 1: Isothermal calorimetry (ISO 21911-1:2022)

Available languages: English, Spanish

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