noise modeling

AMBIENT Air Quality & Noise Consulting was founded in 2004 and has over 25 years of experience preparing environmental impact assessments. The company serves public and private sector clients throughout California and the western U.S., providing analytical services related to air quality, greenhouse gases, energy use/conservation, environmental noise, and groundborne vibration impacts, with emphasis on projects subject to CEQA and NEPA. It is registered with the State of California as a Small Business Enterprise.

CEQA/NEPA analytical supportemissions and dispersion modelingimpact assessmentsmitigation monitoring and management plans

Cerjan Acoustics is a noise and vibration consulting firm started by Jeff Cerjan in 2017, with 26+ years of acoustical consulting experience. The company provides noise measurements, SoundPLAN noise modeling, compliance and mitigation assessments, and expert witness testimony across industries including traffic, renewable energy, data centers, cryptocurrency mining, gas transmission and compressor stations, LNG, power stations, and government contracts. Offices are in Westminster, Colorado and Jensen Beach, Florida, serving clients worldwide.

environmental reportingexpert witness testimonyGIS mappingnoise compliance assessmentsnoise measurementsnoise mitigation strategiesSoundPLAN modeling

Eilar Associates, Inc. is a team of acoustical and environmental consultants founded in 1974, assisting residents, businesses, and contractors throughout San Diego County and the United States. The firm provides acoustical investigations, environmental impact analyses, site assessments, and related environmental services, with a reputation for precision, accuracy, timeliness, and accessibility.

acoustical investigationsairborne and impact noise field testingair quality analysisenvironmental impact analysesexpert witness testimonygreenhouse gas analysislitigation supportnoise measurements and monitoringreverberation testingSite assessments

Geiler & Associates, LLC is an acoustics and presentation technology design firm with home offices in Denver, Colorado. The firm specializes in theatre and cinema design, architectural acoustics, sound isolation, noise and vibration control, performing and presentation technologies, project management, and contract construction administration.

acoustic testingarchitectural acousticsAV system designconstruction administrationdrapery designelectro-acoustic modelingnoise & vibration controlperformance lighting designproject managementrigging designsound isolation