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Devices to prevent pollution by backflow of potable water. Air gap with circular overflow (restricted). Family A, type F. Original standard BS EN 14622-2005 in PDF full version. Additional info + preview on request

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Devices to prevent pollution by backflow of potable water. Air gaps with minimum circular overflow (verified by test or measurement). Family A, type G. Original standard BS EN 14623-2005 in PDF full version. Additional info + preview on request

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Performance of portable locating leak detectors and of fixed gas detectors for all refrigerants. Original standard BS EN 14624-2020 in PDF full version. Additional info + preview on request

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Ambient air. Standard method for the measurement of the concentration of ozone by ultraviolet photometry. Original standard BS EN 14625-2024 in PDF full version. Additional info + preview on request

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Ambient air. Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopy. Original standard BS EN 14626-2024 in PDF full version. Additional info + preview on request

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Foodstuffs. Determination of trace elements. Determination of total arsenic and selenium by hydride generation atomic absorption spectrometry (HGAAS) after pressure digestion. Original standard BS EN 14627-2005 in PDF full version. Additional info + preview on request

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