Industrial Hygienist (C-381): Passbooks Study Guide Volume 381

The Industrial Hygienist Passbook(R) prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam, including but not limited to; understanding and interpreting written material; organic and inorganic chemistry; preparation of written material; choosing the proper course of action in investigative situations; and more.