The Public Health Sanitarian 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: application of scientific principles and knowledge to public and environmental health protection; microbiology as related to disease prevention and control, sanitary chemistry, and toxic substances; inspection and interviewing techniques; reading comprehension; preparing written material; and other related areas.