A few key themes and points which came out during the Dioxin 2003 week in Boston are listed below.
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Food and Feed : In the 4th international
HRGCMS inter-laboratory validation study for food items, poor performance was
reported. Only 16 out of 90 participants (18%) were able to meet the study
criteria for all three matrices tested. For the cheese sample, which was the
only sample in the range of the actual regulatory limit values, only 20 out of
83 participants (24%) were able to meet the study criteria. A call was made to
include more materials with dioxin levels around the limit values for the next
study. With HRGCMS detailed as the “confirmatory” method in legislation, this
raises serious questions as to how legal compliance will be confirmed. Reports
available at http://www.fhi.no/tema/miljoforu/edioxin.html |
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CALUX® highlights from Dioxin 2003 · The CALUX® bioassay again had a higher profile at Dioxin 2003 than in previous years, with, for the first time, a full session being allocated to CALUX; The range of topics involving BDS’ CALUX® bioassay was broad including: o cross-validation with HRGCMS; o inter-laboratory validation studies; o use of CALUX® REPs; o use for monitoring wood waste; o PCBs destruction technologies; o investigation of new AhR agonists; and o assessment of extraction methods. · A paper was presented by Eppe et al showing that for a 3rd party user, BDS’ CALUX® bioassay can meet the requirements of the European legislation · Finally, a range of new, highly sensitive and highly specific CALUX® bioassays was shown, targeting hormones. |
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