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Subject:	Re: Wu-Smart and Spivak
From:	Charles Linder <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Tue, 13 Sep 2016 10:12:37 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (25 lines)

PPB.

Does anyone know how these concentrations of imidacloprid compares to what
the bees gather I the field in areas of imidacloprid application?  



http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0029268  
	

ReaD close,  decent study!

The highest number I have ever seen that I recall is 46 ppb,  and when that
hive was resampled  it showed zeros 4 weeks later.




Charles

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