This Standard Reference Material (SRM) is intended for use in evaluating analytical methods for the determination of selected polychlorinated biphenyl (PCB) congeners, chlorinated pesticides, and polybrominated diphenyl ether (PBDE) congeners in human milk and similar matrices. Reference concentration values are provided for polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs), as well as some inorganic constituents. An information concentration value is provided for the PCB mixture Aroclor 1260. All of the constituents for which certified, reference, and information concentration values are provided in NIST-1953 are naturally present in the milk. A unit of NIST-1953 consists of five bottles of approximately 5 mL of frozen non-fortified human milk. Indicative values fo PCBs, PBDEs, selected elements, Dibenzo-p-Dioxin and Dibenzofuran congeners and for Aroclor 1260. /// Sample value(s) - please ask for current certificate.
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