EXPERTISE

  • Human Health Risk Assessment
  • Risk-Based Strategy
  • RCRA/CERCLA/Brownfields
  • Site Investigation/Remediation
  • Vapor Intrusion
  • Conceptual Site Models
  • Emerging Contaminants

  • Full Profile

    Dana is an environmental professional with over 30 years of experience in human health risk assessment (HHRA), site investigation, remediation and environmental chemistry. Specialized experience in the HHRA of a variety of environmental contaminants including chlorinated solvents, polynuclear aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), metals (arsenic, lead and mercury), and dioxins/furans, as well as explosives/munitions compounds (HMX, RDX, nitroglycerin, PETN, TNT, DNT and amino DNTs) and perfluorinated alkyl substances (PFAS).

    EDUCATION

    • Bachelor of Science, Engineering, Widener University – 1987
    • A.A.S., Mechanical Engineering Technology, Pennsylvania State University – 1979

    CERTIFICATION & TRAINING

    • 40-Hour OSHA 1910.120 HAZWOPER Training
    • AECOM Certified Project Manager

    PROFESSIONAL AFFILIATIONS

    • Society for Risk Analysis
    • Association for Environmental Health and Sciences

    AWARDS/HONORS

    • 2006/Frank S. Waller Partnership Award for Overall Client Satisfaction/URS Diamond
    • 1998/Shepard Award Finalist/Emory University Rollins School of Public Health
    • 1991/Fisher Research Fellowship/Florida State University Department of Chemistry

    KEY EXPERIENCE

    Industry Experience

    Multiple Clients, Conshohocken, PA

    Principal Risk Assessor

    Managed human health risk assessments and environmental remediation projects for chemical/petrochemical manufacturing and rail clients. Project management experience includes responsibility for overall budget, scope, schedules, work product delivery, client management and agency negotiations. Technical lead for several risk-based investigation work plans, reports, and corrective measure/feasibility studies. Conducted data evaluation and risk-based training workshops. Provided expert witness testimony or third-party review. Assisted clients with regulatory advocacy efforts at the Federal and State level.

    Environmental Consultancy, Atlanta GA

    Chemist

    Conducted human health risk assessments and authored investigation work plans and reports. Designed and developed GIS databases and maps for various purposes. Responsible for developing batch test protocol in the laboratory for reactive wall media treatability studies. Performed data validation on all levels of non-nuclear chemistry analysis. Conducted analysis of groundwater and soil samples using the field gas chromatograph (GC).

    Confidential Laboratory, Tallahassee, FL

    Chemist/Department Manager

    Managed sample preparation and extraction department. Performed routine environmental testing of various organic pollutants including semi-volatile organic compounds, herbicides, pesticides and PCBs. Operated and maintained specialized analytical instruments such as GC/MS and GC/FID. Calculated, interpreted and reported data. Reviewed methods and standard operating procedures (SOPs).

    Human Health Risk Assessment Project Experience

    Confidential Client, US

    Program Management

    Risk assessment resource leader for a leading East Coast rail transportation provider. Responsibilities include: reviewing closure strategies for remediation projects on their operating and non-operating sites; identifying human health and ecological risk assessment resources to support project needs; assisting project teams with development of project strategy, data evaluation, report writing, technical review and agency negotiations; and, tracking regulatory changes at the State and Federal level which may impact risk-based remediation decisions.

    Chemical Manufacturing Clients, Over 100 Sites

    Task Leader

    Responsible for providing assistance to chemical manufacturing clients on human health risk assessment and exposure assessment issues for over 100 sites located throughout the U.S (including EPA Regions 1-10), Mexico, South America, Europe and Asia. Responsibilities include: investigation and remedial design support; RCRA Environmental Indicator (EI) determination support; preparation of human health baseline risk assessments (HH BLRA); development of conceptual site models; lead risk-based prioritization process; vapor intrusion (VI) evaluations (including modeling); emerging contaminant evaluations(e.g., PFAS); and, development of site-specific screening levels for chemicals of interest (COIs) including those specific to nylon and neoprene industries (chlorinated butenes, chlorinated solvents, 1,4-dioxane, Freon, and metals [including mercury]), former explosives/munitions work, paints/dyes (amines, chlorinated solvents and metals [including lead]) and fly ash management (metals [including arsenic] and PAHs).

    Confidential Client, WV

    Task Leader

    Responsible for human health risk evaluations under West Virginia Voluntary Remediation Program (VRP) guidance of multiple current and former petroleum bulk storage terminals and gasoline filling stations in West Virginia. The BLRAs and Residual Risk Assessments (RRA) were conducted for the purpose of evaluating potential risk to human health posed by the site and directing remediation efforts to reduce those risks to acceptable levels. The risk assessments evaluated both on- and off-site risks posed by petroleum-related constituents in soil, groundwater and soil gas.

    Manufactured Gas Plant Sites, PA

    Task Leader

    Task leader responsible for human health risk evaluations under Pennsylvania Act 2 guidance of multiple former Manufactured Gas Plant (MGP) Sites in Pennsylvania. Potential risks from MGP-related constituents in soil, groundwater, surface water and sediment were evaluated for residential and non-residential use scenarios. The vapor intrusion pathway was evaluated using empirical data (soil gas and indoor air) and PADEP-modified Johnson & Ettinger models or EPA’s Vapor Intrusion Screening Level calculator.

    Former Explosives Manufacturing Facility, Morris, IL

    Risk Assessment Task Leader

    Dana served as the risk assessment task leader for an approximately 1000-acre former explosives and ammonium nitrate manufacturing facility located in Morris, Illinois. No further remediation was received for the site from the Illinois Environmental Protection Agency (IEPA) Site Remediation Program (SRP). Project responsibilities included leading the development of a conceptual site model (CSM). The CSM was used to identify data gaps that were addressed during site investigations; provided information for remedial-decision making; and, formed the basis for the development of a Comprehensive Site Investigation Report (SIR) and Remediation Objectives Report (ROR) (SIROR), Remedial Action Plan (RAP) and Remedial Action Completion Report (RACR). Additional technical responsibilities included providing assistance in investigation scope development; data evaluation, statistical analysis and reporting; and, agency communications and negotiations.

    Confidential Client, US

    Risk Assessment Task Leader

    Conducted a HH BLRA for a 177-acre RCRA site and 25-miles of adjacent mercury-impacted river. Over 100 properties located off-site along the river floodplain were included in the evaluation. The off-site HHRA data set consisted of over 5,000 samples including surface water, sediment, and fish; floodplain soil and groundwater; floodplain pond surface water, sediment, and fish; floodplain crops; and, floodplain area livestock, poultry, and wildlife (e.g. waterfowl, deer and snapping turtles). As much of these data were collected for various purposes over more than 10-year period, the project team working collaboratively with stakeholders developed an assessment mechanism referred to as a Retrospective Data Quality Assessment (RDQA) to document that the analytical data collected during the investigations were of sufficient quantity and adequate quality to be used in the risk assessment.

    Former Railroad Equipment Maintenance Facility, Princeton, NJ

    Risk Assessor

    Conducted a Baseline/Residual Human Health and Ecological Risk Assessment (HHERA) under the VRP for an inactive railroad equipment maintenance facility in Princeton, West Virginia. Potential risks from petroleum-related constituents (primarily PAHs) and metals (arsenic and lead) in soil and groundwater were evaluated for non-residential land uses.

    Confidential Client, Clarksburg, WV

    Risk Assessor

    Conducted a Baseline/Residual HHERA under the VRP for a former smelting operation located north of Clarksburg, West Virginia. Since remedies were being implemented to address primary source areas (tailings piles), the risk assessment focused on exposure to tailings material (metals) in soil in secondary source areas. Receptors included site workers, trespassers and recreational users of a potential future hike and bike trail located along the West Fork River.

    CERCLA Site, EPA Region 5, OH
    Risk Assessment Task Leader

    Conducted a HH BLRA to support a CERCLA site located in EPA Region 5, Hamilton Township, Ohio. The HH BLRA evaluated potential exposure of human receptors to munition-related constituents (primarily copper, lead and mercury) detected in soil, groundwater, surface water and sediment. Receptors included on-site commercial/industrial workers and off-site recreational users of an adjacent public bike trail located along the Little Miami River floodplain.

    CERCLA Site, EPA Region 5, IN
    Risk Assessment and Vapor Intrusion Task Leader

    Conducted a site-specific risk assessment to support a CERCLA site located in EPA Region 5, Elkhart, Indiana. The site, which is currently proceeding through a Second Remedial Design/Remedial Action, consists of two separate groundwater remediation areas: a 675-acre railyard and a 130-acre drag strip. The risk assessment was prepared to evaluate potential VI risks in the absence of remediation downgradient of the drag strip source area.

    CERCLA Site, EPA Region 2, NY
    Risk Assessment Task Leader

    Conducted a HH BLRA for a CERCLA rail spill site in EPA Region 2, New York and provided regulatory liaison and strategic oversight. Constituents include cyanide and chlorinated solvents (primarily trichloroethene) in the vicinity of a residential area.

    Vapor Intrusion Project Experience

    Multiple Chemical Manufacturing Sites, EPA Regions 2 and 3

    Technical Lead

    Technical lead for the design and implementation of a VI evaluation for several complex chemical manufacturing sites in EPA Regions 2 and 3. A weight of evidence approach was used in the VI evaluations. The complex sites contain over 100 buildings with varying use and occupancy. To determine which of these buildings should be investigated and assessed for potential human health risk due to VI, a comprehensive building inventory was developed. The building inventory was designed to present a current representation of the facility’s conditions with relation to VI potential. The building inventory provided an evaluation of building construction and subsurface (soil and groundwater) conditions to assess whether the VI pathway is potentially complete.

    Confidential Manufacturing Facility, Chamblee, GA

    Project Manager

    Managed a sub-slab soil gas investigation, which was conducted to confirm the findings of indoor air modeling, for a manufacturing facility in Chamblee, Georgia. Multiple lines of evidence were used to evaluate the potential for VI in the vicinity of a LNAPL plume which was present beneath a portion of warehouse. Additional responsibilities included the development of site-specific risk reduction standards for soil and groundwater consistent with Georgia’s Hazardous Site Response Act (HSRA).

    Confidential Client, Bramwell, WV

    Project Manager

    Managed a sub-slab soil gas investigation for a VRP petroleum release site in Bramwell, West Virginia. Petroleum-related constituents had been identified in indoor air downgradient of the site at a church. Additional sub-slab soil gas sampling and indoor air sampling was conducted to verify the completeness of the vapor intrusion pathway and to further evaluate methane production due to methanogenesis.

    Multi-Media Investigations

    Former Wood Treating Facility

    Project Manager

    Managed a multi-media investigation for a former wood treating facility. COIs included pentachlorophenol (PCP), PAHs, and VOCs in soil and groundwater. Site-specific risk-based remedial standards were developed for PCP and acenaphthene. Remediation technologies implemented included in-situ physical/chemical and biological treatment using Biox, a modified Fenton’s reagent. The approved CAP recommended institutional and engineering controls combined with long-term groundwater monitoring to address residual PCP in soil and groundwater consistent with a GA HSRA Type 5 Risk Reduction Standard. Engineering controls included the installation of a one-foot soil cover along with 436 hybrid pine tree saplings and security fencing.

    Confidential Clients, US

    Data Validation/Auditor

    Performed data validation on all levels of non-nuclear chemistry analysis. Performed audits of several private national environmental laboratories to determine quality and defensibility of data generated. Managed input of analytical data and screening criteria into environmental databases.

    Confidential Clients, EPA Regions 2, 3, 4 and 5

    Technical Lead

    Prepared quality assurance project plans, field sampling plans and sampling and analysis plans for sites in EPA Regions 2 (NJ, NY), 3 (PA, VA, WV), 4 (GA, NC, SC, TN, KY) and 5 (IL, MI, OH).

    International Experience

    Neoprene Manufacturing Site, Kanagawa, Japan

    Lead Author

    Lead author for a conceptual site model (CSM) prepared for a neoprene manufacturing site in Kanagawa, Japan. The CSM was developed to better understand potential environmental remediation liabilities following site divestiture.

    Former Chemical Manufacturer, Europe, Mexico, South America

    Technical Lead

    Served as the technical lead for VI evaluations at active and former chemical manufacturing facilities in Europe (France, Germany and Switzerland), Mexico and South America. Responsibilities included the evaluation of potentially complete VI pathways using existing site data and modeling.

    Chemical Manufacturing Facilities, Mexico

    Technical Lead

    Provided site investigation support for active chemical manufacturing facilities in Mexico. Worked with local resources to define investigation objectives; evaluated groundwater and soil data collected against risk-based screening criteria to determine release potential; and, provided recommendations for additional characterization.

    Representative PFAS Experience

    Confidential Manufacturing Facility, East Coast

    Conceptual Site Model

    Developed a comprehensive Conceptual Site Model (CSM) Report for a large manufacturing facility located on the East Coast. The purpose of the CSM was to provide a written and illustrative representation of the potential fate and transport of PFAS from on-site sources to on-site and off-site media. The objectives of the report were to identify known and potential on-site and off-site PFAS sources; present the comprehensive database of PFAS concentrations detected in the environmental media at the site and surrounding areas; describe potential PFAS migration pathways from the site; and provide a means of documenting and periodically updating general facility information and data regarding reductions in PFAS emissions.

    Confidential Client, NC

    Interim Drinking Water Standard Derivation

    Derived an interim drinking water standard for a PFAS compound consistent with North Carolina regulations. A suitable body of toxicity information was available to support the derivation of toxicity reference values and the interim maximum allowable concentration (IMAC). The derivation was undertaken because the PFAS compound did not have a promulgated groundwater standard. Compilation and review of the available toxicity studies was conducted in collaboration with university researchers hired by the client.

    Active Landfill, WV

    Corrective Measures Assessment

    The assessment included summarizing the landfill monitoring analytical results and discuss statistically significant increases in relation to groundwater protection standards; presenting the conceptual exposure model for the landfill and surrounding area (on-site and off-site); and, evaluating if additional corrective measures were warranted based on the current exceedances of groundwater protection standards, the existing corrective measures in place, and potential for exposure.

    Advocacy Support Experience

    Participated in technical work groups; conducted technical review; and, provided comments on behalf of clients and industry groups for the following rule changes or guidance documents:

    • Georgia’s Hazardous Site Response Act (HSRA); Connecticut’s Remediation Standards Regulations (RSRs), in particular proposed amendments regarding the vapor intrusion pathway;
    • Kentucky’s Voluntary Cleanup Program risk goals;
    • New Jersey’s Soil Remediation Standards (SRS) proposed changes;
    • North Carolina’s Risk-Based Remediation rule development;
    • Pennsylvania’s Act 2 Vapor Intrusion Guidance Revision; and,
    • Tennessee’s General Water Quality Criteria rule changes.