Specialties

Forensic Studies to identify sources of chemicals or Biological Toxins, Groundwater, Hydrogeology, Cost Recovery, Impairment Assessments, Environmental Compliance, Groundwater and Soil Sampling, Remediation, Stormwater, Erosion Control, Wastewater, Fracking, Sewer Spills

Degrees/Licenses

PG; CHG; CPG; CPetG; ToR QISP-QSD-QSP

Formal Education

MA Geology, University of Texas, Austin, Texas, 1981;
BA Geology/English, Franklin & Marshall College, Lancaster, PA, 1978

Registration and Licenses

Geologist (CA, AK, AZ, ID, OR, PA, TX, WY, WA); Certified Hydrogeologist (CA, WA); Trainer of Record for Stormwater (QISP-QSD-QSP), Certified Professional Geologist (AIPG), Certified Petroleum Geologist (AAPG).

Previous/Current Position

Principal Geologist, Clearwater Group (1990- present); Project Geologist; HLA; Senior Geologist, Petrofina; Geologist, Sohio; Geology Technician U.S. Bureau of Mines.

Honors/Awards

Fulbright Scholar (4 teaching awards); Fellow, National Groundwater Assoc.; Virtual Fellow (U.S. State Department); Martin Van Couvering Award (AIPG); CalEPA Peer-Review of PG&E Cr(VI) Background Study (Hinkley, CA site); Fulbright Peer Review Committee (5 years); Publicly Elected to Community Svc. District (18 years); Elected Sewerage Board (18 years).

Prof. Affiliations

Forensic Expert Witness Association (FEWA), ASTM International, National Groundwater Association (NGWA); American Institute of Professional Geologists (AIPG); American Association of Petroleum Geologists (AAPG); Association for the Environment, Health and Sciences (AEHS); California Stormwater Quality Association (CASQA); Interstate Technology & Regulatory Council (ITRC); Groundwater Resources Association of California (GRAC).

Publications

200+ Publications, 5 books, including: Environmental Considerations of Hydraulic Fracturing (Wiley, 2019), Oil Spills and Gas Leaks (McGraw-Hill, 2014); and Acid Mine Drainage (Wiley, 2014).

Prior Expert

Over 35 years of experience. Testimony at 8 trials; 9 depositions; 4 settlement conferences; Northern and Southern California, Texas, Nevada, Colorado and Alabama. Cases relate to forensic identification of sources of chemical and biological toxins, hydrogeology, oil & gas, and mine properties, industrial facilities, agricultural, public, commercial and residential properties.