The RCH Group Team

Paul Miller

Managing Principal

Paul is an environmental professional with over 25 years of experience in providing services and products to government agencies and private sector corporations. His technical areas of expertise include energy, integrated waste management, air quality and noise analyses. Since 1986, Paul has applied his broad range of environmental skills to CEQA and NEPA documents, and has been integral in preparing over 500 CEQA and NEPA reports, including project management for more than 19 major EIRs. Paul has been managing the Environmental Team at RCH since 2012.

Paul holds a Master's Degree in Zoology and Entomology from Colorado State University and a Bachelor's Degree in Zoology from Miami University.

Michael Ratte

Air Quality Scientist

Mike has been a practicing air quality specialist within the consulting business for over 25 years. Mike's technical expertise includes CEQA/NEPA environmental planning, air emissions inventories, atmospheric dispersion modeling, health risk assessments, and climate change analyses. His recent projects have involved transportation (airports, roadways, and marine ports), land development (residential/commercial/institutional), landfills/composting, and mining/quarry operations. He is well versed in a wide array of air emission models including, AEDT, EMFAC, MOVES, OFFROAD, NONROAD, and CalEEMod and dispersion models such as AERMOD and CAL3QHC.

Mike holds a Bachelor's Degree in Meteorology from Lyndon State College in Vermont.

Dan Jones


Dan's technical experience includes CEQA/NEPA environmental planning, air quality, health risk assessment, greenhouse gas emissions/climate change, noise, and waste management. His expertise is the preparation of air quality, greenhouse gas emissions, and noise technical analyses. His work involves noise monitoring and modeling. He is proficient in a variety of air emissions models including CalEEMod, EMFAC, OFFROAD, and the Road Construction Emissions Model.

Dan graduated with a Bachelor's Degree in Environmental Policy Analysis and Planning from the University of California at Davis.

Luis Rosas

Environmental Associate

Luis's work at RCH involves providing environmental services and products to government agencies and private sector corporations. He has technical experience in noise, biology, renewable energy, and preparation and review of CEQA/NEPA environmental documents. His technical experience with noise includes hands‐on noise monitoring fieldwork.

Luis graduated with a Bachelor's Degree in Environmental Studies from California State University, Sacramento.

Nate Berls


Nate approaches each project from an interdisciplinary perspective. His background in marine research provides a strong base for technical writing, research, and data collection. Nate’s work at RCH involves assisting with the drafting and preparation of environmental analysis.

Nate graduated with a Bachelor's Degree in Environmental Studies and a minor in Economics from the University of California at San Diego.

The RCH Group Affiliate Project Partners

Dr. Jeff Harvey

Senior Environmental Scientist

Jeff is an environmental professional with over 30 years of experience as a consultant in environmental planning and reporting pursuant to requirements of CEQA and NEPA. Reports have been prepared for local, state, and federal government agencies, and private developers. Special emphasis has been placed on active coordination with agency staff and government decision-makers, effective public involvement and public testimony, and development of economically sound mitigation strategies. Dr. Harvey has organized and managed the preparation of more than 300 environmental impact reports and environmental assessments, and special resource analyses for a variety of projects including power generation, electric transmission, water resources, land development, public infrastructure, resource management, and mining and mine reclamation.

Jeff has been working with the Environmental Team at RCH since 2012 on project for solid waste recycling facilities, aggregate mining, air monitoring and general land development proposals.

Jeff holds a Ph.D. in Geography from the University of California, Los Angeles, specializing in environmental law and policy, hydrology and water resources, and natural resources management. He also holds Master's and Bachelor's Degrees in Geography from California State University, Chico, specializing in physical geography and impact assessment.