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Electronic fee collection. Evaluation of on-board and roadside equipment for conformity to ISO 12813. Original standard BS EN ISO 13143-2025 in PDF full version. Additional info + preview on request

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Water quality. Strontium 90 and strontium 89. Test methods using liquid scintillation counting or proportional counting. Original standard BS EN ISO 13160-2021 in PDF full version. Additional info + preview on request

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Water quality. Polonium 210. Test method using alpha spectrometry. Original standard BS EN ISO 13161-2020 in PDF full version. Additional info + preview on request

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Water quality. Carbon 14. Test method using liquid scintillation counting. Original standard BS EN ISO 13162-2021 in PDF full version. Additional info + preview on request

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Water quality - Lead-210 - Test method using liquid scintillation counting. Original standard BS EN ISO 13163-2022 in PDF full version. Additional info + preview on request

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Water quality. Radon-222. General principles. Original standard BS EN ISO 13164-1-2020 in PDF full version. Additional info + preview on request

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