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…are enjoying their moment to pipe up this spring. COVID-19 has given scientists a unique environment to study. At HMMH, two of our consultants — Justin Cook and Irene Ramirez…
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…Automobiles have changed significantly since the early 1970s when the Clean Air Act and Noise Control Act were passed into law. Although the best-selling car from 1970, the Dodge…
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…Dayna Bowen is a Principal Consultant at HMMH with more than 18 years of experience managing and performing air quality, noise and vibration assessments related to surface transportation, development,…
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…On October 4, 2017, the Federal Register published a new noise standard for newly certified large airplanes.[1] The noise standard, Stage 5, applies to large jets with a Maximum…
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…learn something from the ACI-NA Noise Working Group here!), and bring consistent messages to decision-makers. So here’s the story: the FAA has been drafting a Program Guidance Letter on Eligibility…
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…by Nick Miller Maybe one person’s noise is another person’s music. Train horns in the distance can have a kind of nostalgic sound, but people who live near…
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…by Nick Miller Ted Schultz was one of my early mentors when I began my career in noise and acoustics. When I first joined Bolt Beranek and Newman Inc….
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…and airport sponsors in standardizing the process for determining sound insulation program eligibility per current FAA requirements and criteria, which include that the average interior noise level for a residential…
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…by Nick Miller In early 2007, I received an invite to the Noise Pollution Clearing House 10th Anniversary celebration. Well, ok, no marketing possibility there, but Les Blomberg has…
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…on those routes to meet the schedule demand. Noise: Noise assessments for aviation and high speed rail both rely on Day Night Average Sound Level, but the similarities end there….
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