Skavenger(TM) sorbent preforms from Multiform Desiccants (Buffalo, NY) offer good adsorption capacity in a small, compact design for applications including transistors, semiconductors, electronic equipment and some pharmaceuticals.
The Dynamic Optical Window from Balluff (Florence, KY) detects and reacts to moving objects as small as .03" dia. Suited for counting small objects air-conveyed in a transparent tube or dropped from a chute, such as drug capsules, wire trim scrap or electronic components.
It may seem like too little and too late, but the Food and Drug Administration recently issued its 1993 revision of "Standards for the Fabrication of Single Service Containers and Closures for Milk and Milk Products." Federal and state regulatory inspectors use these standards as the basis for inspecting plants manufacturing dairy packaging.