The Assistant Sanitary Engineer Passbook® 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; Mathematics, including algebra, geometry, and trigonometry; Preparation and interpretation of data; Water sampling and measurement and analysis techniques and devices; Reading and interpreting plans for water, sewage, and industrial waste treatment installations; and more.