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

Senior Project Manager

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/Noise Specialist

Luis works as an environmental associate at RCH and has knowledge of noise and vibration. His work involves technical analysis of noise and vibration, preparation and review of CEQA/NEPA environmental documents, and noise monitoring. His technical experience with noise includes conducting short-term and long-term noise monitoring using Metrosonics dB 308 noise meters and short-term and long-term noise and vibration monitoring using Larson-Davis SoundTrack LxT-1 sound level and vibration meters

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

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. Jeff is the founding principal of Harvey Consulting Group. 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 projects 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.

Dr. Dan Sicular

Senior Project Manager

Dan Sicular has 35 years of experience as an environmental consultant specializing in conservation planning, natural lands management, watershed analysis, and CEQA and NEPA review for natural resources, mining, waste management, urban development, and housing projects. Dan is the founding principal of Sicular Environmental Consulting. He is well versed in all aspects of CEQA project management, environmental planning, and land management in Northern California.

Dan received Ph.D. and Master’s degrees in Geography from the University of California, Berkeley. His graduate studies focused on economic utilization of solid waste in the United States and in Asia. Dan received a Bachelor’s Degree in Southeast Asian studies, also from the University of California, Berkeley.

Peter Hudson, PG, CEG

Senior Geologist

Pete is a professional geologist with over 35 years of broad-based experience in engineering geology, hydrogeology, hazardous material investigation/management, geotechnical evaluation, hydrology, and surface water quality. He is a professional geologist and certified engineering geologist in the state of California, a registered geologist/engineering geologist in the state of Washington, and a California Qualified SWPPP Practitioner (QSP). Pete has provided technical expertise to support environmental impact assessments, geological investigations, Phase I and II environmental site assessments, remediation plans, water quality investigations, water resource and geological studies for planning, development permit assistance, planning/policy assessments, and mitigation planning and monitoring. Pete has authored numerous technical reports, which include geology, hydrology, and hazards chapters required under CEQA and NEPA. He has provided technical input and senior review for completion of EIRs and EISs, and EAs.

Pete holds a B.A. in Geology from CSU San Francisco.

Justin Taplin, MS

Senior Environmental Scientist

Justin has over 20 years of consulting experience in hydrology, water quality, and water resource policy. His technical and regulatory expertise spans surface water hydrology, stormwater management, water resource regulation, and fisheries science, applied with a discerning eye to help clients navigate complex planning challenges. He has served as technical manager, senior reviewer, and lead author on environmental review and compliance documents across a broad range of project types, including flood control infrastructure, coastal protection, renewable energy, solid waste facilities, quarry operations, and residential and commercial development, for both public agency and private sector clients. His evaluations integrate robust science with regulatory requirements, delivering defensible analyses and a no-surprises experience throughout the CEQA and NEPA process.

Justin holds an M.S. in Environmental Management from the University of San Francisco and a B.S. (Hons) in Biological Sciences from the University of Westminster, UK.

Our Team