Macken Materials has been using chemical agents in its manufacturing processes for many years. It has had an industrial toxicologist on staff for just as long who has been responsible for monitoring existing chemical hazards and identifying new hazards as various chemicals were introduced into the manufacturing processes over the years. The inhalation, skin absorption, ingestion, and injection hazards in the plant have been evaluated on a regular basis to ensure the company is adhering to all federal and state laws pertaining to worker safety. In particular, air sampling and TLV standards have been emphasized as a way to assess possible degrees of exposure. In addition, a biological sampling program has been included into his program.
1. What are the drawbacks of TLVs and air sampling?
2. Can biological sampling be used in place of air sampling? Why?
3. If so, what are some ways in which biological samples can be analyzed?