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Citation: U. Ornemark et al., Proficiency testing in analytical chemistry, microbiology, and laboratory medicine - working group discussions on current status, problems, and future directions, ACCRED Q A, 6(4-5), 2001, pp. 140-146

Authors: Silva-Wilkinson, RA DeGraeve, GM Burkhard, LP Tholen, DW Sheedy, BR

Citation: Ra. Silva-wilkinson et al., Results of an interlaboratory evaluation of an analytical screening methodfor assessing persistent bioaccumulative toxic chemicals in sediment samples, ENV TOX CH, 19(9), 2000, pp. 2218-2223