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Microbiology of food and animal feeding stuffs. Horizontal method for the determination of low numbers of presumptive Bacillus cereus. Most probable number technique and detection method. Original standard BS EN ISO 21871-2006 in PDF full version. Additional info + preview on request

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Microbiology of the food chain. Horizontal method for the determination of Vibrio spp. - Detection of potentially enteropathogenic Vibrio parahaemolyticus, Vibrio cholerae and Vibrio vulnificus. Original standard BS EN ISO 21872-1-2017 + A1-2023 in PDF full version. Additional info + preview on request

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Stationary source emissions. Determination of the mass concentration of ammonia. Manual method. Original standard BS EN ISO 21877-2019 in PDF full version. Additional info + preview on request

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Packaging. Flexible intermediate bulk containers (FIBCs) for non-dangerous goods. Original standard BS EN ISO 21898-2024 in PDF full version. Additional info + preview on request

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Health and safety in welding and allied processes. Equipment for capture and separation of welding fume. General requirements. Original standard BS EN ISO 21904-1-2020 (2021) in PDF full version. Additional info + preview on request

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Health and safety in welding and allied processes. Equipment for capture and separation of welding fume. Requirements for testing and marking of separation efficiency. Original standard BS EN ISO 21904-2-2020 in PDF full version. Additional info + preview on request

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