In response to Eric Slayton’s question, it seems there have been several studies concerning organic acid residues. Determination of residues in honey after treatments with formic and oxalic acid under field conditions, Bogdanov et al. http://www.apidologie.org/index.php?Itemid=129&option=com_article&url=/articles/apido/ref/2002/04/Bogdanov/Bogdanov.html&lang=de and http://www.apidologie.org/index.php?option=com_article&access=standard&Itemid=129&url=/articles/apido/abs/2006/01/M5401/M5401.html Page 1O 3.1.2.2. Organic acids *********************************************** 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