Richard J. Brose, R.G.
Chief Financial Officer


  • B.S. (Geology); California State University, Los Angeles
  • M.S. (Geology); California State University, Los Angeles


  • Professional Geologist (Arizona) #20044
  • Registered Geologist (California) #4128
  • Certified Engineering Geologist (California) #1287
  • Certified Hydrogeologist (California) #109
  • Professional Geologist (Wyoming) # PG-3028
  • Registered Environmental Assessor (California) #REA01873
  • Professional Geologist (Alaska) #476
  • Engineering Geologist (Oregon) #E955
  • Environmental Manager (Nevada) #EM1010
  • American Institute of Professional Geologists (CPG#7549)
  • Asbestos Hazard and Emergency Response Act Inspector, Contractor/ Supervisor
  • 40-Hour Hazardous Waste Site Worker Health and Safety Training
  • Emergency Medical Technician – Basic (Arizona)
  • FAA Certified Small Unmanned Aircraft System Remote Pilot #3935396

Career Summary

Mr. Brose brings to Four Corners Environmental over 35 years of experience in management and technical oversight of groundwater investigations, environmental services and professional technical activities for nearly every aspect of the regulated community. He has provided technical direction in regulatory policy for local and state agencies, forensic and expert witness assistance, and is recognized for his knowledge and technical application of federal, state and local regulatory policy for water resources, hazardous, special and solid waste, regulatory permitting and personnel safety. He is nationally known for his consistent application of innovative solutions to complex problems, and is responsible for the development of numerous applied technologies that have become industry standards. Mr. Brose provides technical direction and administrative management services to Four Corners.

Prior to joining Four Corners in 1994, Mr. Brose was the southwestern regional director of environmental and construction remediation services for Law/Crandall (1991-1994), western regional director of environmental services for Malcolm Pirnie (1987-1991) and project manager at LeRoy Crandall and Associates (1978-1987). He has also taught environmental technology applications at Coconino Community College, is an Arizona Certified Environmental Instructor and Emergency Medical Technician.


  • Brose, R.J., "Siting Considerations for Hazardous Waste Disposal Facilities on Desert Playas," GSA Abstracts with Programs, V. 18, No. 2 (February, 1986)
  • Brose, R.J., Shatz, R.W., and Regan, T.M., "An Alternative Method of Lysimeter and Silica Flour Pack Placement in Deep Boreholes," 1986, National Water Well Association, Sixth National Symposium and Exposition on Aquifer Restoration and Ground Water Monitoring
  • Brose, R.J., "Hydrogeologic Investigation, Lucerne Valley Ground Water Basin, San Bernardino County, California," 1987, California State University, Los Angeles, Masters Thesis (unpublished)
  • Brose, R.J., Shatz, R.W., "Neutron Monitoring in the Unsaturated Zone," 1987, National Water Well Association, First National Outdoor Action Conference on Aquifer Restoration, Ground Water Monitoring and Geophysical Methods
  • Brose, R.J., Gross, J.T., "Recognizing Petroleum Hydrocarbon Migration in the Vadose Zone with PID Scanning of Field Samples," 1988, National Water Well Association Focus on Southwestern Ground Water Issues Conference
  • Brose, R.J., "Unsaturated Zone Monitoring in Arid Environments," 1988, First Annual Arizona Hydrologic Symposium
  • Brose, R.J. and Dozer, G.D., "Groundwater Recharge Feasibility Study of the Mojave River Basins, Mojave Desert, California", 1989, Fourth Symposium on Artificial Recharge of Groundwater in Arizona, Salt River Project.
  • Brose, R.J., Preliminary Environmental Assessments, 1991, published by the Association of Engineering Geologists.
  • Brose, R.J. and Dozer, G.D., "Groundwater Transfers in Arizona: An Historical Perspective", 1992, Association of Engineering Geologists, 35th Annual Meeting (1992)
  • Brose, R.J., Dozer, G.D. and Benjes, D., "Terpene Interference with Hydrocarbon Analysis Using EPA Method 418.1", 1993, Arizona Hazardous Waste Society Annual Meeting
  • Brose, R.J., "Abandoned Mine Reclamation for Urban Construction", Environmental and Engineering Geoscience, Vol. II, No.1, Spring 1996, pp. 73-83
  • Brose, R.J., 2000, "Environmental Remediation of Historic Hard Rock Mine Sites for Urban Construction", American Society of Civil Engineering Special Publication "Remediation in Rock Masses
  • Brose, R.J., 2002, “Vadose Zone Science and Technology Solutions” Book Review, Environmental and Engineering Geoscience, Volume VIII, Number 1, February 2002
  • Brose, R.J. and Faulds, J., 2005, “Geology of the Grand Canyon”, Field Trip Guide, 2005 Association of Engineering Geologists Annual Meeting
  • Brose, R.J., 2006, “Geology and Groundwater Resources of Northern Arizona, Including the Grand Canyon”, Field Trip Guidebook, American Society of Civil Engineers 2nd Annual Vadose Zone Conference
  • Brose, R.J., 2011, “The Permian Kaibab Formation of New Mexico”, New Mexico Museum of Natural History and Science Bulletin 53
  • Krainer, K.K., Lucas, S.G., and Brose, R.J., 2012, Reference section of the lower Permian San Andres Formation, Sierra County, New Mexico, New Mexico Geological Society 63rd Annual Field Conference, Geology of the Warm Springs region, p.395 – 405
  • Brose, R.J., 2016, Improving Groundwater Yields Using Directional Drilling Techniques, Arizona Hydrological Association, September, 2016

Richard Brose
Flagstaff, Arizona
Office  928. 714. 9374
Fax  928. 714. 9375
Cell  928. 607. 0670
Toll-Free  877. 714. 9374

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