DAVID SMITH, PG

Senior Project Geologist

PROFESSIONAL PROFILE

David Smith is a Senior Project Geologist with over 14 years geology experience working on projects located both nationally and internationally. He holds a Bachelor’s of Science from the Massachusetts Institute of Technology, with prior government work experience at JPL-NASA as a summer intern.

David’s more recent experience is in conducting environmental site assessments at properties with contaminated land. Environmental assessments including Phase I assessments, Phase II intrusive soil and groundwater investigations, and the design, implementation and management of numerous and varied contaminated site remediation systems.

David is heavily experienced in all areas of site fieldwork including, but not limited to, drilling experience across multiple drilling and sampling techniques, including non-destructive methods, cone penetrometer testing (CPT) and the use of membrane interface probes. David’s assessments also routinely include evaluations of vapor intrusion and the associated human health-based risk assessment.

David has supported numerous litigation cases primarily in a research capacity, constructs and performs 3-D groundwater modelling, and is skilled in the application of varying forensic geology techniques to site assessments.

David is additionally particularly skilled in report preparation, editing and quality control, in addition to proposal and cost estimation, and the management of projects.

EDUCATION

B.S. Earth, Atmospheric, and Planetary Science, Massachusetts Institute of Technology (MIT), 2002

QUALIFICATIONS

California Licensed Professional Geologist (No. 8817)

REGISTRATIONS AND PROFESSIONAL AFFILIATIONS

American Association for the Advancement of Science

American Geophysical Union

California Groundwater Resources Association

National Groundwater Association

OTHER RECENT TRAINING

First Aid

Nuclear Density Gauge Safety Training

US Occupational Safety & Health Administration (OSHA) 40-hour HAZWOPER certification

CAREER HISTORY

2010 through Present – Senior Project Geologist

Lindmark Engineering, Inc.

Westlake Village, CA

2007-2010 – Project Geologist

Lindmark Engineering/CTL Environmental/ Coffey Environments/Alta Environmental

Long Beach, CA; Adelaide, Australia; Sydney Australia

2007-2007 - Staff Geologist

Hydrologue, Pasadena, CA

2006-2007 - Staff Geologist

Miller Brooks Environmental, Inc.

Huntington Beach, CA

2003-2004 – Laboratory Manager

Stable Isotope Laboratory

UCLA, Los Angeles, CA

2002-2003 – Laboratory Technician

Organic Geochemistry Laboratory

MIT, Cambridge, MA

SPECIFIC AREAS OF EXPERTISE

Phase II soil and groundwater investigations

Contaminant fate-and-transport modeling

Soil-vapor and dual-phase extraction

Project management, reporting, work plans, and remedial action plans

SELECTED PROJECT EXPERIENCE

Remedial action plan preparation, former dry cleaner, Tarzana, California: Project Geologist responsible for remedial action plan preparation at a former dry cleaner in a commercial center. Duties included calculating site-specific soil cleanup levels, site research, and report writing.

Post-remediation site assessment for auto repair and gasoline service station, Los Angeles: Geologist responsible for project management, permitting, drilling and soil sampling, soil vapor probe installation, soil-gas survey, data analysis, drafting, table and chart preparation, and report writing.

Soil-vapor extraction well installation by sonic drilling, Azusa, California: Project Geologist responsible for drilling and field oversight for a deep vapor extraction well extending into subsurface soil containing large boulders and cobbles. Duties included logging of drill cuttings and monitoring of well construction design, and subcontractor oversight.

Groundwater monitoring by low-flow and by polymer bags at a chlorinated and petroleum hydrocarbon-impacted site in La Verne, California: Project Geologist responsible for conducting low-flow purging under supervision by the regulatory agency, deployed and retrieved passive diffusion polymer bags, groundwater sampling, data analysis, drafting and reporting.

Off-site source area research, Flask Chemical Corporation and former Tuxford Landfill, Los Angeles and Sun Valley: Project Geologist responsible for conducting agency and database research of potential off-site contaminant source areas. Research included document review at local, state, and federal agencies, historical library archives, and aerial photos. Research was used to help identify additional potential responsible parties.

Groundwater fate and transport modeling, California Car Hikers, Sun Valley: Project Geologist responsible for conducting BIOCHLOR dissolved solvent models simulating a potential TCE plume migrating toward a production well field. David calculated horizontal and vertical groundwater and chemical flow velocities as part of the fate and transport model. Model results indicated VOC contamination detected in the well field could not have originated from the vicinity of the subject site.

Borescope investigations, Alhambra and Sun Valley, California: Project Geologist responsible for conducting in-situ field measurements of groundwater velocity and flow direction using a down-well instrument to track particulates transported in the aquifer.

Soil and soil-vapor assessment and site closure, Montebello, California: Project Geologist responsible for implementing a subsurface soil and soil-vapor assessment at a former auto repair and service center. Duties included drilling oversight, soil logging and sampling, data analysis and reporting.

Indoor air sampling at vacant former drycleaning unit, Downey, California: Project Geologist responsible for collecting indoor air samples using Summa canisters, as well as ambient and outdoor background samples in order to evaluate the effectiveness of a newly installed passive soil-vapor ventilation system. Duties included leak detection with a photoionization detector.

Remedial action implementation, Northridge and Manhattan Beach auto repair facilities, California: Project Geologist responsible for implementing the approved remedial action plan at two similar auto repair facilities impacted with hydraulic fuel from underground lifts. Duties included soil logging, excavation planning and preparation, soil removal oversight, confirmation soil sampling, regulatory agency interface, and reporting.

Soil-vapor extraction pilot test and preparation of a Remedial Action Plan, Valley Cleaners, Alhambra, California: Project Geologist responsible for performance monitoring, performed operation and maintenance, vapor sampling, data analysis, and reporting. Results of the pilot test were used to help prepare a Remedial Action Plan for the site.

Additional site assessment, Piper’s Auto Body, Los Angeles, California: Staff Geologist responsible for well development, groundwater sampling, permitting and assisting in report preparation.

Additional site assessment, Bow Tie Drycleaning, La Cañada Flintridge: Staff Geologist responsible for soil sampling, geologic logging, assisting the project manager to write the site assessment report, drafting, table and chart preparation, and quality control.

Groundwater monitoring well installation by air-rotary drilling, various locations, New South Wales, Australia: Associate Geologist responsible for drilling and field oversight for groundwater monitoring well installations using an air-rotary drill rig. Wells were advanced into sandstone and quartzite bedrock. Duties logging of drill cuttings and monitoring well construction design, and subcontractor oversight.

Los Angeles Unified School District South Regional High School #14, Preliminary Environmental Assessment preparation: Staff Geologist responsible for assisting the project manager in report writing, drafting, and quality control and quality assurance.

Groundwater monitoring at a diesel-contaminated Pacific Bell Telephone Company facility, San Jose, California: Staff Geologist responsible for groundwater gauging, purging, and sampling, data analysis, drafting, and report preparation.

Underground storage tank removal activities, Los Angeles and San Pedro, California, and New South Wales, Australia: Staff and Associate Geologist responsible for environmental oversight during underground storage tank removal. Duties included sidewall confirmation sampling, interface with local agencies, stockpile soil sampling, vapor monitoring, and reporting.

Dual-phase extraction pilot test, South San Francisco: Staff Geologist responsible for field preparation, permitting, groundwater monitoring and sampling, data analysis, drafting, table and chart preparation, and report writing.

Red Line extension proposal, Los Angeles: Staff Geologist responsible for preparation of geologic cross sections, and to assist the project manager.

Bridge pier scour, U.S. Dept. of Transportation, Federal Highway Administration: Staff Geologist responsible for preparation of reference and research material to assist the project manager.

PUBLICATIONS

Adams, E.W., Schroeder, S., Grotzinger, J.P., McCormick, D.S., Amthor, J.E., Al-Hashimi, R., Al-Jaidi, O., Al-Siyabi, H., Smith, D.W., Digital mapping of the geometry and stratal patterns of microbial reefs, terminal Neoproterozoic Nama Group, Namibia, Abstracts with Programs - Geological Society of America, vol.33, no.6, pp.256, 2001.

Schroeder, S., Adams, E.W., Grotzinger, J.P., McCormick, D.S., Amthor, J.E., Al-Hashimi, R., Al-Jaidi, O., Al-Siyabi, H., Smith, D.W., Wood, R. Fabrics and genesis of microbial reefs in the terminal Neoproterozoic Nama Group (central Namibia), Abstracts with Programs - Geological Society of America, vol.33, no.6, pp.255-256, 2001.

Smith, D.W., Young, E.D., 17O in The Troposphere: Implications for Global Biospheric Productivity, International Journal of Astrobiology, vol. 3, issue S1, pp.32, 2004.

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