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    • Air quality in general
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    VDE 0493-1-6653:2020-08

    Measurement of radioactivity in the environment – Air: radon-222 Part 3: Spot measurement method of the potential alpha energy concentration of its short-lived decay products (ISO 11665-3:2020); German version EN ISO 11665-3:2020

    Verband Deutscher Elektrotechniker

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    ÖNORM EN ISO 11665-6:2020 08 01

    Measurement of radioactivity in the environment — Air: radon-222 — Part 6: Spot measurement methods of the activity concentration (ISO 11665-6:2020)

    Osterreichisches Normungsinstitut/Austrian Standards

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    DIN EN ISO 11665-6:2020-08

    Measurement of radioactivity in the environment – Air: radon-222 Part 6: Spot measurement methods of the activity concentration (ISO 11665-6:2020); German version EN ISO 11665-6:2020

    Verband Deutscher Elektrotechniker

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    VDI 3957 Blatt 2:2020

    Biological measuring techniques for the determination and evaluation of effects of air pollutants on plants (biomonitoring) - Method of the standardised grass exposure

    Verlag des Vereins Deutscher Ingenieure

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    VDE 0493-1-6656:2020-08

    Measurement of radioactivity in the environment – Air: radon-222 Part 6: Spot measurement methods of the activity concentration (ISO 11665-6:2020); German version EN ISO 11665-6:2020

    Verband Deutscher Elektrotechniker

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    PN-EN ISO 11665-6:2020-07

    Measurements of radioactivity in the environment - Air: radon-222 - Part 6: Method of instantaneous measurement of radioactive concentration

    Polish Committee for Standardization

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    BS EN IEC 63086-1:2020

    Household and similar electrical air cleaning appliances. Methods for measuring the performance. General requirements

    British Standards Institution

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    NEN-ISO 4225:2020

    Air quality - General aspects - Vocabulary

    Netherlands Standards

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    BS ISO 4225:2020

    Air quality. General aspects. Vocabulary

    British Standards Institution

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    DS/ISO 4225:2020

    Air quality – General aspects – Vocabulary

    Danish Standards