Register of Experts

ENVIRONMENT

Showing 6 Provider(s) found in ENVIRONMENT

James P. Waltz

President

Engineering Resource Associates, Inc.

1280 Greenbrier Road, West Sacramento, CA, 95691
Phone: (925) 518-2006 Alternate: (925) 447-1140 Fax: (925) 447-1706 Email: jpwaltz@eraenergy.com www.eraenergy.com

Specialties

Construction defect expert witness; Heating, ventilation and air conditioning (HVAC); Indoor air quality; Mechanical and electrical building systems; Performance contracting; Site survey, and testing; Discovery, interrogatories, depositions and mediation; Plaintiff and defense.

Degrees/Licenses

Board Cert. Forensic Engineer; BSME, MBA, Prof. Engineer (CA, NV), Cert. Energy Manager.

Philip T. Tringale

Senior Consultant

Langan Engineering & Environmental Services

135 Main Street, Suite 1500, San Francisco, CA, 94105
Phone: (510) 874-7000 Email: ptringale@langan.com

Specialties

Dr. Tringale provides expert testimony for cases involving National Contingency Plan compliance, identification of contaminant sources, magnitude and extent of contamination, remedial cost estimates, and allocation of cost and responsibility.

Formal Education

Ph.D., Civil Engineering, University of California, Berkeley, 1982; M. Eng., Civil Engineering, University of California, Berkeley, 1979; M.S., Civil Engineering (Engineering Geology), Drexel University, Philadelphia, 1977

Reg/Lic

Professional Engineer (P.E.) in California and New York

Previous/Current Position

Previous: Director of the Western Region; Current: Senior Consultant

Honors/Awards

American College of Forensic Examiners (Diplomat/Fellow), Chi Epsilon, National Civil Engineering Honor Society; Patent: Acoustic Penetrometer for Subsurface Soil Characterization

Prof. Affil.

American Society of Civil Engineers; National Ground Water Association; International Society for Soil Mechanics and Foundation Engineering

Prior Expert

Landfill investigation and closure; Cleanup of 200-acre waterfront site; Investigation and remediation of a 5-mile-long plume of contaminated groundwater emanating from beneath a manufacturing facility; Investigation and remediation of soil and groundwater contaminated at a metal-parts fabrication plant; Site investigation and remediation program at an industrial site

James A. Jacobs

Forensic Geologist / Environmental Scientist

Clearwater Group

229 Tewksbury Avenue, Point Richmond, CA, 94801
Phone: (510) 590-1098 Alternate: (510) 307-9943 Fax: (510) 232-2823 Email: jjacobs@clearwatergroup.com www.clearwatergroup.com

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

Reg/Lic

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. Affil.

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.

David Benaroya Helfant

Senior Project Engineer/Project Mgr.

Seisco Engineering and and Bay Area Structural, Inc.

1187 Ocean Avenue, Emeryville, CA, 94608
Phone: (510) 547-8540 Alternate: (510) 496-9369 Fax: (510) 527-7785 Email: davidbhelfant@gmail.com www.seisco-inc.com

Specialties

Construction defect; Code compliance; Accidents, construction safety; Storm drainage, environmental investigations and mold testing; Concrete construction, curing, waterproofing; Foundations, repairs; Earthquake reinforcing; Litigation support, forensic investigations; ADR; Cost estimating; Casualty loss.

Degrees/Licenses

BS, PhD, Post Doctorate: Architecture & Engineering, CA "A"-Gen.Engr., CA "B"-Gen.Bldg., CA "C-21"-Demolition, Hazardous Remediation Lic., ICC #266760

Formal Education

BS, Cornell University, 1969; PhD, Statistical Analysis,University of Chicago, 1977; Post Doc., Architecture and Engineering, University of California, Berkeley, 1981-83; Post Doc., Architecture/Environmental Design.

Reg/Lic

Full Member-American Society of Civil Engineers; AIA, Assoc. Member, Professional Member, International Code Council, California General Engineering (A); California General Building (B); Hazardous Materials Removal and Remediation (HMRRC), Demolition and Structure Moving Licence (C-21).

Previous/Current Position

Design Principal, Seisco Engineering & Environmental Design Associates, General Mgr., Senior Project Engineer, Bay Area Structural, Inc., General Engineering Corporation. Research Specialist, Environmental Design Research; Professor, Community Development Studies; Professor, Public Administration. General Engineering and Environmental Designer and Construction Manager. Technical Expert - California State Contractors License Board. Certified Arbitrator, Cont. State License Board. Certified Arbitrator, Cont. State License Board.

Honors/Awards

US-Army Corps of Engineers-"Outstanding-Project"-1997; US-Air Force: "Outstanding Proj. Mgmt."-1999.

Prof. Affil.

American Society of Civil Engineers; Professional Member, International Code Council. American Institute of Architects, Assoc. Mbr; Associate member American Institute of Architects; Charter member Structural Engineering Institute, ASCE.

Publications

4 publications; Two books - Earthquake Safe: A Hazard Reduction Manual for Homes; Drainage Methods for Dry Buildings and Stable Sites (forthcoming).

Prior Expert

250 cases as an expert witness; 750 special investigations; 10,000 structural and engineering inspections and assessment reports.

Specialties

Water/wastewater/sewer industry - both operations, civil and hydraulic engineering background. Treatment conveyance, sewer collection, re-use/disposal, sewage lift station design, sludge. Pipelines, pools, pump stations. Regulatory compliance/safety.

Degrees/Licenses

BS, Civil Engineering; PE (CA, NV, VT, OR, WI, OH, WA, MI, AZ, GA, NC, VA, MD, NY, FL, TX, MT, MA, IN, MO, UT, ME, TN, WDC, KY, HI).

Bonneau Dickson

Consulting Sanitary Engineer

Self

2428 McGee Avenue, Berkeley, CA, 94703-1600
Phone: (510) 845-8625 Fax: (510) 845-4606 Email: dickson.bonneau@gmail.com www.bonneaudickson.com

Specialties

Water and wastewater projects; Sewers; Sewer Overflows; Septic tanks; Coliform contamination; Remedial measures and their costs; Recruitment of expert teams, investigation, analysis, summarization of voluminous documents into succinct yet thorough summaries. Forty years experience.

Degrees/Licenses

BSCE, MS, MA, MBA, PE Civil (CA).

Back to Register of Experts Directory