Donald Behrens is the President/founder of Behrens and Associates Environmental Noise Control, an Acoustical Engineering and Sound Control Company that provides specialty support in Acoustics and Environmental Noise Control in areas of drilling, construction and demolition vibration and noise measurement, monitoring, analysis, control and mitigation. Mr. Behrens has experience in developing and managing major noise and vibration projects including specification development, project management, measurement, monitoring and mitigation programs, defining and instituting site-specific programs for problem resolution as well as interfacing with government and regulatory agencies and the public. Mr. Behrens provides technical support for numerous drilling noise ordinance development projects.