Tetanus is a serious bacterial infection that affects the nervous system and causes muscles throughout the body to tighten. Tetanus is also commonly called lockjaw, because the infection primarily causes muscle contractions in the jaw and neck, but can eventually spread to other parts of the body.
Position Code Title - Environmental Engineer Spl 2. Environmental Engineer Specialist 13. The employee functions as a second-level specialist or as an administrative assistant to a deputy. bureau director, office director, major office director, division director, or unclassified equivalent.
Environmental scientists work on subjects like the understanding of earth processes, evaluating alternative energy systems, pollution control and mitigation, natural resource management, and the effects of global climate change. Environmental issues almost always include an interaction of physical, chemical, and biological processes.