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Ambient air. Application of EN 16909 for the determination of elemental carbon (EC) and organic carbon (OC) in PM10 and PMcoarse. Original standard PD CEN TR 17554-2020 in PDF full version. Additional info + preview on request

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Surface active agents. Bio-based surfactants. Overview on bio-based surfactants. Original standard PD CEN TR 17557-2020 in PDF full version. Additional info + preview on request

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Algae and algae products. Food and feed applications: General overview of limits, procedures and analytical methods. Original standard PD CEN TR 17559-2022 in PDF full version. Additional info + preview on request

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Space product assurance. Worst case analysis. Original standard PD CEN TR 17602-30-01-2021 in PDF full version. Additional info + preview on request

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Space product assurance. Human dependability handbook. Original standard PD CEN TR 17602-30-03-2021 in PDF full version. Additional info + preview on request

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Space product assurance. Components reliability data sources and their use. Original standard PD CEN TR 17602-30-08-2021 in PDF full version. Additional info + preview on request

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