The Environmental Control Specialist Trainee 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: understanding and interpreting written material; preparing written material; inspection and investigation of causes, effects and extent of various types of environmental pollution; collection and interpretation of data; unterstanding and interpreting tabular material; quantitive reasoning; and other related areas.