In the not too distant past many objects in museum collections that were vulnerable to pest infestation were treated with a variety of pesticides and heavy metals. The remaining residues of these treatments pose serious potential health threats to individuals who handle these objects. Simple protocols in handling and display can mitigate much of the risk to museum staff and the public at large. Surveying portions of a collection is often a preliminary aspect of dealing with these issues. Relative to that please find this - Plucked from a listserve:
I asked our conservator about testing kits and supplies, and she suggested Grainger:
http://www.grainger.com/Grainger/wwg...rue&sst=subset
Hope this helps!