I have been monitoring the Entomo-L line and some time ago, there was considerable discussion about the dangers of usning PDB for storing insect collections. (And they aren't edible) You're right besides cotamination smell there are label violations to consider and possible negative health effects (read lawsuit from customers). SHARON J. COLLMAN W.S.U. COOPERATIVE EXTENSION URBAN IPM RESOURCE CENTER @ CENTER FOR URBAN HORTICULTURE UNIVERSITY OF WASHINGTON GF-15 SEATTLE, WA 98195 PHONE: 206-543-8616 E-MAIL [log in to unmask]