The Sanitary Laboratory Technician 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; Analytical chemistry, including techniques, equipment and procedures; Principles and applications of physics, chemistry and microbiology as related to water treatment and purification; Laboratory practices, techniques and equipment; and more.