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DIN EN 1948-4:2014 Edition

DIN EN 1948-4:2014 Edition

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Stationary source emissions – Determination of the mass concentration of PCDDs/PCDFs and dioxin-like PCBs – Part 4: Sampling and analysis of dioxin-like PCBs

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DIN 2014-03 67
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This document specifies sampling from stationary sources, extraction, clean-up, identification and quantification procedures of the dioxin-like PCBs. The procedure is applicable to the twelve non- and mono-ortho PCB designated by the WHO. It is optimised to measure PCB concentrations of about 0,01 ng WHO-TEQPCB/m3. In addition to the 12 non- and mono-ortho-PCB the present document is also applicable to measure further PCB-congeners like the marker PCB 28, 52, 101, 138, 153, 180. This document specifies a framework of quality control requirements which have to be fulfilled by any PCB sampling, extraction, clean-up, identification and quantification methods to be applied. As a result of their similar chemical behaviour PCBs, as shown in the validation campaign, can be sampled from stationary sources together with the PCDDs/PCDFs. Therefore it is possible to measure PCBs together with PCDDs/PCDFs by applying EN 1948 Part 1, Part 2, Part 3 and Part 4. The complete sampling procedure is described in the EN 1948-1. Each of the three sampling methods of EN 1948-1 can be combined with the methods described in this document to complete the measurement procedure. EN 1948-1 is an integral part of the complete measurement procedure and is necessary for the determination of PCBs. This document contains the Amendment 1 (approved by CEN on 21 October 2013) to DIN EN 1948-4:2010-12, providing assistance in case of co-elution problems of PCB 127 and PCB 105.

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