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ISO 16000-38:2019 Indoor air — Part 38: Determination of amines in indoor and test chamber air — Active sampling on samplers containing phosphoric acid impregnated filters
ISO 10704:2019 Water quality — Gross alpha and gross beta activity — Test method using thin source deposit
ISO 16000-37:2019 Indoor air — Part 37: Measurement of PM2,5 mass concentration
ISO 23753-1:2019 Soil quality — Determination of dehydrogenases activity in soils — Part 1: Method using triphenyltetrazolium chloride (TTC)
ISO 21370:2019 Traditional Chinese medicine — Dendrobium officinale stem
ISO 23753-2:2019 Soil quality — Determination of dehydrogenases activity in soils — Part 2: Method using iodotetrazolium chloride (INT)
ISO 27501:2019 The human-centred organization — Guidance for managers
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