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Thermoplastics piping and ducting systems - Rainwater infiltration and storage attenuation systems - Practices for underground installation. Original standard UNE-CEN TR 17179-2018 in PDF full version. Additional info + preview on request

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Plastics - Biodegradable thermoplastic mulch films for use in agriculture and horticulture - Guide for the quantification of alteration of films. Original standard UNE-CEN TR 17219-2018 in PDF full version. Additional info + preview on request

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Guidance on the application of CE marking and preparation of Declaration of Performance for sanitary appliances. Original standard UNE-CEN TR 17221-2018 in PDF full version. Additional info + preview on request

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Water quality - Technical report for the routine sampling of benthic diatoms from rivers and lakes adapted for metabarcoding analyses. Original standard UNE-CEN TR 17245-2018 in PDF full version. Additional info + preview on request

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Composites made from cellulose based materials and thermoplastics (usually called wood polymer composites (WPC) or natural fibre composites (NFC)) - Determination of particle size of lignocellosic material Composites à base de matières cellulosiques et de thermoplastiques (communément appelés composites. Original standard UNE-CEN TS 17158-2018 in PDF full version. Additional info + preview on request

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Construction products - Assessment of release of dangerous substances - Determination of activity concentrations of radium-226, thorium-232 and potassium-40 in construction products using semiconductor gamma-ray spectrometry. Original standard UNE-CEN TS 17216-2018 (2019) in PDF full version. Additional info + preview on request

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