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Here are just a few of the things people we have worked with have to say:


“Extant was great to do business with. If I had a question, Mike had an answer. He knew what was needed and how to get it done. The monitoring and computer modeling that Mike performed and the recommendations that were made in the detailed report helped our night time operations stay under the noise levels put forth by the city. If we have to complete any further noise monitoring and modeling, there is no question that it’s going to be with his company, Extant.”
Nicholas Weinmann, Quality Control Supervisor/Engineer, Granite Construction Co.


 “Mike was a pleasure to work with on the airport noise sound insulation project at SAN. He was most knowledgeable in noise insulation measurements and acoustical design. It would be a great to work with him again.” 
Robin Gardner, Airport Operations Supervisor, Bob Hope Airport.


 I have always been impressed with Michael's professionalism, emphasis on customer service and technical capabilities. I would welcome the opportunity to work with him in the future.”
Porter Ingrum, AICP, Environmental Planner/Airport Noise Coordinator, Aurora Planning Department.


 “Michael responded to our request with certitude and achieved exactly what we were looking for as the result. His experience and professionalism made him a great asset to our team!”   
James Clinnin, Program Manager, The Jones Payne Group.


  “Michael Carr consistently showed his expertise in analyzing noise impacts on the environment. Specifically, his knowledge with noise and his diligent technical writing skills greatly assisted in the preparation of environmental documents. Michael Carr's work showed a continuance in giving attention to detail in all of his work.”
John Hope, Environmental Planner, California Energy Commission.


 It is truly rare to meet someone with such in-depth technical knowledge of multiple fields that is also able to effectively communicate and teach that information.”   
George Lu, Air Quality and Greenhouse Gas Analyst, AECOM.