Shell Engineering & Associates, Inc., is an established environmental management consulting company specializing in air quality testing and air quality monitoring.  For over four decades Shell Engineering and Associates, Inc. has assisted industrial, institutional, and municipal facilities with the performance of their operations using accepted environmental practices.  Our success with air quality assessments comes from our ability to communicate with our clients, our ability to overcome obstacles by exploring alternatives and the use of proven scientific methods, and our ability to put together common sense strategies.