About the RCH Group


RCH has an environmental practice that builds upon the extensive experience of our staff to prepare high‐quality CEQA and NEPA documents in a timely and cost‐effective manner. We prepare technical analyses for air quality criteria pollutants, air quality health risk assessments, greenhouse gas emissions (climate change), and noise.


Frequent Clients:


  • Cities

  • Campbell
  • Colfax
  • Irwindale
  • Richmond
  • Rocklin
  • Sacramento
  • South San Francisco

  • Counties

  • Alameda
  • Glenn
  • Marin
  • Placer
  • San Luis Obispo
  • Solano
  • Sonoma
  • Yolo

  • Other

  • California Public Utilities Commission
  • Federal Aviation Administration