DANSK DS/EN 60079-25 PDF

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Chemical disinfectants and antiseptics – Quantitative non-porous surface test for the evaluation of bactericidal and/or fungicidal activity of chemical disinfectants used in food, industrial, domestic and institutional areas – Test method and requirements without mechanical action (phase 2, step 2)

Published Date: 01/02/2019

Road vehicles – Functional safety – Part 4: Product development at the system level

Published Date: 07/01/2019

Plastics – Environmental aspects – General guidelines for their inclusion in standards (ISO 17422:2018)

Published Date: 04/08/2024

Water quality – Application of inductively coupled plasma mass spectrometry (ICP-MS) – Part 1: General requirements (ISO 17294-1:2024)

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Contest Directors Guide

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CMASS Plan Book

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Lower Tropospheric Probe

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Model Rocket Classroom Activities

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Rocketry Electrical Projects

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Guide to Competition for the Casual Competitor