|
Expertise Projects |
Education-B.S.
(Geology) University of New Orleans, 1987 Registrations/CertificationsLicensed
Geologist, Washington Registration Number 334 Representative Experience •
Groundwater Monitoring Program, Installation Restoration Program (IRP)
Sites: Program Manager for a multi-year groundwater monitoring program
that supports remedial design and implementation for IRP sites. Project
required planning and implementation of long term monitoring and long
term operation programs designed to evaluate remedial alternatives
and provide data to support closure of the sites. Project involved
quarterly monitoring of 150 monitor wells, utilizing diffusion sampling
techniques where appropriate to reduce waste generation, and providing
long term comparable data sets. Responsible for implementing an annual
base-wide groundwater monitoring program including developing • LNAPL Recovery and Groundwater Treatment, Installation Restoration Program (IRP) sites: Project Hydrogeologist responsible for implementing groundwater aquifer testing for ongoing environmental investigations and remedial design of both hydraulic containment and pump and treat systems to contain light nonaqueous phase liquid (LNAPL) migration and volatile organic compound (VOC) contamination in groundwater. Responsibilities included supervision of borehole drilling, soil sampling for lithology determination and geotechnical analyses, construction of extraction and observation wells, setup and implementation of step drawdown and constant discharge rate aquifer tests, treatment and disposal of groundwater extracted during the aquifer tests, and evaluation of aquifer test data. Prepared a final report summarizing test findings and presenting recommendations for use of test results in future modeling and remedial design. Supervised design and installation of a treatment system capable of handling discharge rates of up to 100 gallons per minute (gpm) while reducing VOC concentrations. • Responsible for the operation and maintenance program at various sites to provide soil remediation at contaminated facilities. Provided technical supervision and report generation. Air permitting application and compliance with the Clark County Department of Air Quality Management (CCDAQM) emission requirements pertaining to equipment used in the treatment of contaminated soil and groundwater. • LNAPL Recovery, Remediation System Rehabilitation, and Groundwater Monitoring: Program Manager for conducting and managing well installation and groundwater sampling activities; product recovery, separation, carbon polishing, and soil vapor extraction; and comprehensive research into the movement of petroleum in the subsurface and the physical properties governing multiphase flow of immiscible fluids in support of a product recovery system design. Conducted step-drawdown testing and a three day constant discharge test extracting more than 60,000 gallons of water that were successfully treated and discharged. Utilized data acquired from the aquifer tests to simulate aquifer responses and contaminant transport to several considered remedial options to capture and treat impacted groundwater and prevent the off-site migration of the hydrocarbon plume. Developed site Conceptual Model and conducted quarterly groundwater monitoring. Prepared underground injection control and permitted national pollution discharge and elimination system (NDPES), including sampling and reporting. Development of interim workplan involving in situ chemical oxidation, specifically peroxide, to affect downgradient commingled MTBE plume. Evaluated peroxide treatments on former Texaco Terminal site and monitored groundwater for natural attenuation parameters and assessment. • Groundwater Remediation and Monitoring, MTBE Plume: Technical oversight for design, pilot testing, installation, maintenance, and monitoring of High Pressure Oxygen (HiPOx) remediation system. Project was an MTBE remediation effort related to a high pressure fuel pipeline release utilizing HiPOx technology. Responsibilities included permitting, subcontractor selection, construction, supervision, and site coordination. Conducted short term pump test to determine aquifer characteristics. Assisted in data analysis and treatability study to reduce MTBE concentration in groundwater. Supervised design and subcontractor's installation of groundwater recovery well and installation of pipe crossing over stormwater canal adjacent to Interstate. Responsible for technical direction of project as well as regular communication with the client and lead agency community relations efforts with adjacent property owners and senior technical review. • Groundwater Monitoring Plan, Installation Restoration Program (IRP) sites: Program Manager for development of a long term groundwater monitoring plan that will serve as the basis for ongoing groundwater monitoring activities. Plan addressed monitoring requirements associated with onsite jet fuel releases, dissolved phase hydrocarbons and chlorinated compounds, and environmental impacts at three offsite former landfills. Development of the plan involved evaluation of groundwater elevation and water quality data spanning a 12 year period at up to 200 monitor locations. Project resulted in reducing the number of wells required for monitoring from about 200 to approximately 150. The innovative approach eliminated production of approximately 2500 pages of data and provided an interactive data tool to facilitate more efficient ongoing use of the data compiled during plan preparation. In addition to developing detailed monitoring schedules for each quarterly event and supervising the work of up to eight field personnel and several subcontractors, the project involved evaluation of groundwater data and data trends, preparation of quarterly and annual groundwater monitoring reports, and negotiations with the regulatory agencies. • Site Assessment and Remediation Group-Northwest Region: Program Manager and Hydrogeologist responsible for managing over 60 projects relating to the release of petroleum hydrocarbons from service stations, bulk facilities, terminals and refineries. Duties involved investigations, feasibility studies, preparation of correction action plans, design of remediation systems, agency coordination, contractor selection, construction management, implementation of remediation, system startup and operation, and monitoring and maintenance of systems. Sites involved soil and groundwater affected by hydrocarbons and solvents. Conducted assessments of adsorbed and dissolved-phase contamination using soil gas surveys, hydropunch, soil borings and monitor well installations. Directed quarterly sampling, performed and provided oversight during storage tank removal and Phase II investigations, and prepared corrective action plans. Conducted and directed groundwater sampling, provided emergency response on spills, prepared risk assessment reports, and supervised site remediation along pipeline and at bulk fuel terminals. Project management tasks included preparation of work scope and proposals, oversight of field technicians and subcontractors, and senior review on technical reports. Designed and installed remediation systems at several facilities utilizing soil removal, vapor extraction, air sparge, low flow biosparging, in situ peroxide, thermal and catalytic oxidation and groundwater, and product recovery technologies. Managed budgets, interacted with client and agencies, provided technical support to client as needed, interpreted recovery data and recommended modifications to a groundwater remediation system, managed gauging and sampling events, interpreted data, and reviewed reports. Collaborated with marketing, engineering, real estate, construction and management to define project goals, develop long term compliance strategies, and coordinate divestiture of properties. Served as the primary client contact with responsibilities of contract management, assembling project teams, allocation of resources, and technical review of documents. Developed unit pricing bid package for groundwater monitoring and reporting for Oregon and Washington operations. • Site Assessment, Groundwater Monitoring and Closure, Underground Storage Tank Site: Project Manager for an extended site assessment of a gasoline release, followed by planning and implementation of a monitoring program designed to demonstrate that natural attenuation is providing a feasible remedial alternative and provides data to support closure of the site. Site assessment portion of project included a groundwater flowmeter survey and BIOSCREEN modeling. • Natural Attenuation Investigation of BTEX and Chlorinated Compounds: Principal Investigator of a feasibility assessment for using monitored natural attenuation for remediation of contaminants of concern. Air Force Center for Environmental Excellence (AFCEE) protocols were followed for BTEX and chlorinated solvents, primarily TCE and PCE, migrating under the active flightline. Installed in situ groundwater sparge system in source area. • Former Bulk Plan Closure: Project Hydrogeologist responsible for supervising excavation and stockpiling of hydrocarbon-affected materials. Evaluated several remedial options at a former bulk facility, including design, permitting, and construction of the treatment cell, which included an impermeable liner and leachate collection system. Managed the soil treatment utilizing indigenous microbes with nutrient amendments in accordance with the results of a bench scale treatability study. Soils were treated to concentrations below the negotiated action levels and were utilized onsite as non-regulated backfill materials. Groundwater was treated in an above-ground bioreactor using specifically selected bacterial and nutrient blends. Impacted soils were treated when the inoculated groundwater was injected into an infiltration gallery. • Regulatory Liaison-UNOCAL: Project Manager hydrogeologist responsible for compliance issues and fulfillment of site characterizations and Consent Order schedules. Managed technical staff responsible for determining the presence of underground storage tank releases to the environment, evaluating eligibility of sites for closure, and reviewing technical documents, including work plans for site investigations and cleanups, site characterization reports, corrective action plans, remedial action plans and site closure reports. Assisted clients in applying for the State Reimbursement Fund. Involved with legislative hearings regarding transition from soil cleanup levels to interim health based guidance levels. Responsibilities include hydrogeologic, geologic and geophysical interpretation, hydrologic modeling, risk based corrective action analysis, remedial investigation reports, interpretation of subsurface data, budget and schedule control, project management, staff coordination, and communicated with client, public, and regulator. • Burn Ground Closure and Sampling Plan Evaluation: Principal Geologist responsible for assistance with evaluating potential contamination of soils and groundwater from open burning of waste propellants and out-of-date munitions. Primary contaminants of concern included cadmium, chromium, lead, perchlorate, nitrate, dioxin and explosives RDX and HMX. Project activities included preparing and implementing site assessment plans, evaluating potential migration of contaminants through the vadose zone, and investigating air dispersion and runoff studies for open burning of propellants containing heavy metals. In addition, performed an evaluation of Part B Closure and Sampling Plan and Stormwater retention, including rehabilitation of existing berms in the burn ground active area. • Bulk Tank Failure Emergency Response: Hydrogeologist responsible for oversight of soil and groundwater cleanup from a catastrophic tank rupture along Pudget Sound north of Seattle Washington. Provided emergency response and mitigation oversight for a 176,000 gallon oil spill. Provided onsite management of several cleanup subcontractors and liaison with state and federal regulatory personnel. Work included construction of temporary earth berms, excavation of petroleum contaminated soil for land-farming and eventual treatment. Conducted soil testing to evaluate petroleum concentrations in site soil and maintained booms on Pudget Sound to prevent movement of oil. Also prepared written briefings for client. • Underground Storage Tank Release: Responsible for technical oversight; conducted investigation to evaluate the magnitude of a petroleum hydrocarbon release resulting from the puncture of 20,000 gallon underground storage tank during drilling investigation. Activities included additional drilling and soil sampling to estimate extent of residual contamination following emergency repair and cleanup operations, evaluation of threat to groundwater, and preparation of summary report for client’s submittal to state regulatory agencies. • Archaeological Inventory: Scientist responsible for electrical transmission and distribution lines, fresh and wastewater pipelines, selected land exchange parcels and ancillary facilities. Submitted findings to USDI Bureau of Land Management, Las Vegas District. • Archaeological Data Recovery: Geologist responsible for mitigation through data recovery including complete excavation of prehistoric rock shelter and detailed recordation of historic narrow gauge railroad and siding. Supervised field crews and directed field efforts including cataloging and packaging recovered cultural materials for laboratory analysis. Assisted during survey, testing, and data recovery in conjunction with Section 106 and Section 110 compliance. Contributed sections to larger reports including geology, survey and detailed site descriptions. • Site Monitoring: Scientist responsible for on-call construction site monitoring during long term hazardous waste remediation project in southeastern California. Participated in sensitive plant species and desert tortoise surveys in the eastern Mojave Desert. • Historical Landfill Survey Seismic Investigation: Geologist responsible for geophysical characterization of a former landfill used from the 1960's until the 1970's. Work identified a landfill area much larger than previously thought and helped avoid future problems related to inadequate landfill cover design. • Seismic Refraction Survey: Geologist responsible for assisting in the coordination and acquisition of seismic refraction data related to groundwater and bedrock investigations. Responsibilities included supervision of field crew, documentation of all field activities, and quality assurance/quality control of raw data. Also involved in data collection and compilation. • Geotechnical Investigation and Materials Testing: Geological Technician. Over 5 years experience supervising drilling crews related to foundation engineering and performing laboratory and field testing of soil, aggregates, concrete, reinforcing steel, and other miscellaneous construction materials, according to applicable ASTM, AASHTO, and project specifications. Used various specialized testing equipment during comprehensive laboratory testing of soils including nuclear densometer, unconfined compression, triaxial shear, Atteburg and liquid limits, hygrometer, sieve and grain size, permeability, consolidation and compaction. Supervised drilling programs and investigation work and coordinated with Army Corps of Engineers levee slope stability analyses. Hydrogeologic responsibilities included aquifer testing, aquifer test data interpretation, field oversight, documentation, and groundwater modeling. Field experience includes hollow stem auger and mud rotary drilling, cone penetration testing; geophysical logging, logging of core samples, depth discrete groundwater sampling with the hydropunch and geoprobe technology, aquifer testing, single and multiple well constructions in single and multiple aquifer systems, soil gas sampling and exposure monitoring protocol. • Resource Evaluation Mining: Geologist responsible for performing field mapping of exposed hard rock deposits. Fieldwork included collecting fracture trace data and locating outcrops. Data were incorporated into a resource evaluation performed on hard rock deposit. Assisted in locating and advancing exploration targets using geological mapping, geochemical, and geophysical techniques, expanding mineable resources. • Aggregate Resource Evaluation: Geologist responsible for providing technical assistance for geologic investigation related to the development of a resource model for a sand and gravel quarry. Assisted with assimilating technical data for creating a resource evaluation model using SURPAC software. Conducted a geologic survey of an aggregate deposit. Field data and lithologic descriptions were utilized to create a model of the deposit and calculate a volumetric estimate of potential reserves to assess economic viability. SPECIAL SKILLS:Private Pilot
|
