What's the history on why it was yanked from the approved status for use in the U.S.? The end of the wikipedia page gives some real clues under the "Human Toxicity" heading. http://en.wikipedia.org/wiki/Amitraz But the US EPA have published several papers (pdf downloads) on the registration and reregistration of Amitraz, there is a LOT of detail .... http://www.epa.gov/oppsrrd1/REDs/0234red.pdf http://www.epa.gov/oppsrrd1/REDs/factsheets/0234fact.pdf http://www.epa.gov/opp00001/chem_search/reg_actions/reregistration/tred_PC-106201_1-Jul-06.pdf *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html Guidelines for posting to BEE-L can be found at: http://honeybeeworld.com/bee-l/guidelines.htm