Who We Are

Geology & Hydrogeology

Ms. Bonnie Lampley: Professional Geologist, Certified Hydrogeologist, and Chief Financial Officer.   Ms. Lampley is President of Lawrence & Associates and Principal Hydrogeologist, responsible for corporate financial oversight, and management of all ground- and surface-water projects, statistical and water-chemistry applications, and technical review of all reports.

Ms. Lampley is a:

  • California Professional Geologist (P.G. 6541)
  • Certified Hydrogeologist (H.G. 626)

Ms. Lampley is the head of our groundwater group and is an authority on local and basin-wide hydrologic analyses throughout northern California.  She is responsible for implementing Article 5 reports and statistical analysis of water-quality data. She has prepared Closure Plans, Reports of Disposal Site Information, and Reports of Station Information, and other required documentation for obtaining solid-waste facility permits.  She is also responsible for analysis of air-quality data, and has prepared health-risk assessments in accordance with state regulations.

Mr. David Kirk: Professional Geologist.  Mr. Kirk is Vice-President of Lawrence & Associates and is responsible for environmental site evaluations, underground storage tank sites, and managing periodic sampling work for our clients.

Mr. Kirk is a:

  • California Professional Geologist (P.G. 6673)
  • Oregon Registered Geologist, (G1833)
  • QSD/QSP and QISP No. PG 6673

Mr. Kirk has experience in over 100 underground storage and hazardous material spill-related sites.  Mr. Kirk is proficient in processing well installation applications and coordination of drilling services for monitoring wells and community drinking water wells.  Mr. Kirk has extensive experience in hard-rock geology and mining mineral assessments.

Engineering Geology

Mr. Clayton Coles: Professional Geologist and Certified Engineering Geologist.  Mr. Coles is the General Manager of Lawrence & Associates and Principal Engineering Geologist, responsible for technical management and oversight of all engineering, geotechnical, environmental, and construction-management projects.

Mr. Coles is a:

  • California Professional Geologist (P.G. 5007)
  • Certified Engineering Geologist (C.E.G. 1730)
  • Certified Professional Soil Erosion and Sediment Control Specialist (No. 826)
  • QSD No. 198

Mr. Coles has over 25 years of experience in landfill design, permitting, construction management and operation of new waste management unites, liners, covers, monitoring networks, and landfill-gas monitoring and control systems.

Mr. Coles also manages investigation and remediation of underground-tank sites and other contaminated sites. Mr. Coles has managed or performed project work on virtually every Lawrence & Associates project of this type in the past 17 years.

Mr. Bryan Gartner: Professional Geologist, Certified Engineering Geologist, and Certified Hydrogeologist. Mr. Gartner is Vice-President of Lawrence & Associates and is responsible for environmental site assessments, including property assessments and underground storage tank sites, and landfill permitting.  He has experience with environmental documentation and permitting both existing and new landfills.

Mr. Gartner is a:

  • California Professional Geologist (P.G. 5634)
  • Certified Engineering Geologist (C.E.G. 1756)
  • Certified Hydrogeologist (H.G. 57)
  • Oregon Certified Engineering Geologist (E.G. 1431)
  • QSD/QSP No. 21966
  • QISP No. PG 5634

Mr. Gartner performs underground-tank and other contaminated-site investigations, designs groundwater monitoring systems, prepares Storm Water Pollution Prevention Plans, landfill closure plans, groundwater evaluations, and other documents relating to environmental compliance.

Mr. Karl Swanson: Professional Geologist.  Mr. Swanson is responsible for designing and overseeing landfill design, permitting, and construction management, including installation and operational management of new waste management units, liners, covers, monitoring networks, and landfill-gas monitoring and control systems.

Mr. Swanson is a:

  • California Professional Geologist (P.G. 8969)
  • QISP No. PG 8969

Mr. Swanson performs contaminated-site investigations, designs groundwater monitoring systems, prepares landfill closure plans and post-closure plans, groundwater evaluations, and other documents relating to environmental compliance.

Civil Engineering

Mr. Jesse Solorio: Professional Engineer.  Mr. Solorio is a California Registered Professional Engineer responsible for all civil engineering aspects of all Lawrence & Associates projects.

Mr. Solorio is a:

  • Senior Civil Engineer, CA Professional Engineer (P.E. 65305)
  • QISP No. P.E. 65305

Mr. Solorio joined Lawrence & Associates in 2003.  He manages civil and environmental engineering projects within our Engineering division.  Mr. Solorio specializes in grading designs, HEC-1 and HEC-RAS modeling, landfill engineering including transfer stations, stormwater detention design, and Spill Prevention Control and Countermeasure (SPCC) plans. Mr. Solorio joined L&A in 2001.  Mr. Solorio has acted as project manager for civil engineering projects ranging from conceptual designs of a new marina on Shasta Lake and hydrology studies for a 1,400-unit residential subdivision in Anderson, CA.  He has also provided expert witness consultation for stream flooding in Redding, CA.  His design responsibilities have included the completion of portable-water system designs for several large subdivisions in Shasta and Lassen Counties; design operation of groundwater-remediation systems for numerous petroleum-spill locations; civil design, utilities coordination, pavement and storm-drainage upgrades on projects for the City of Redding.

Environmental Site Assessments

Mr. Robert L. (Bob) Ekin: Senior Environmental Assessor.  Mr. Ekin is responsible for Phase I and II ESAs environmental site assessments, including property assessments and underground storage tank sites, and land development permitting.

Mr. Ekin is a:

  • Registered Environmental Property Assessor, REPA 199155

Mr. Ekin joined L&A in 2003.  Mr Ekin performs project management for planned development projects; conducts environmental site assessment activities for commercial, industrial, ranch property, and government lands transactions (Phase I, II, and III); conducts onsite septic system evaluations; performs project management of contaminated soil and groundwater investigation, monitoring, and remedial action projects for sites under regulatory oversight.  Mr. Ekin has experience with NEPA and CEQA environmental documentation and permitting both existing and new facilities.  Mr. Ekin conducts Phase I Initial Study Assessments (ISAs) for State and Federal funded public works projects, including roadway and bridge rehabilitation projects.  Mr. Ekin is also responsible for managing reimbursement requests for the State of California’s revolving underground storage tank cleanup fund.

Drilling Services

Mr. Dan Jensen is the manager of drilling services.  Mr. Jensen is a Principal, responsible for estimating and scheduling drilling, well installation, treatment-system installation, groundwater sampling, and other technical services.

L&A is licensed well driller in California, C57-539447, and a licensed monitoring well constructor in Oregon, No. 10405.

CAD Services

Mr. David Zaitz is the head of our computer-aided drafting (CAD) and surveying department. Mr. Zaitz has over 25 years of experience in surveying, and excels in AutoCAD, including DCA and Earthworks modules.