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  • Edward M. Clark, P.E.
  • R. Kring Herbert, FASA
  • Benjamin C. Mueller, P.E.
  • John Erdreich, Ph.D., FASA
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PERSONNEL

Edward M. Clark, P.E., Noise Control Engineer · Mr. Clark is a principal of Ostergaard Acoustical Associates with 30 years consulting experience in architectural acoustics, HVAC noise control, and exterior noise. more...

R. Kring Herbert, FASA, Associate AIA, Expert in Architectural Acoustics · Mr. Herbert is a principal of Ostergaard Acoustical Associates with decades of consulting experience in architectural acoustics. His projects include all types of built environments. more...

Benjamin C. Mueller, P.E., Noise Control Engineer · Mr. Mueller is a principal of Ostergaard Acoustical Associates.  Ben obtained his professional engineer licenses based on his expertise in acoustics.  He oversees acoustical testing, analysis, and the development of solutions for architectural, environmental, and industrial projects. more...

John Erdreich, Ph.D., FASA, Scientific Counsel in Acoustics · Dr. Erdreich has specialized in perceptual aspects of noise and is experienced with vibration effects on people and animals.  He has 40 years of experience addressing these issues. more...