Safety Determination of Substances Added to Food Via US FDA's Voluntary GRAS Notification Rule.
Presented at the Smithers Pira Food Contact & Additives Conference, Crystal City, VA
A Review of Vapor Intrusion Guidelines by State.
Northeast Waste Management Officials Association (NEWMOA) & Brown University Superfund Research Program, Vapor Intrusion Updates Workshop, Providence RI and Westford, MA
Environmental Regulations For Strategic Metals: How Can Industry Navigate These Challenges?
Minor Metals Americas Conference, Las Vegas, Nevada
Chemical Hazard Assessment: Role in Regulation and Green Chemistry.
Presented at 26th Annual Product Liabitliy Conference, University of Wisconsin-Madison
Optimization of Groundwater Pump and Treat Systems Using Numerical Modeling and the Monte Carlo Approach.
Presented at National Ground Water Association (NGWA) Midsouth Focus Conference
GIS for environmental litigation.
Bloomberg Environmental and Energy News
Developing and Implementing an MGP Site Prioritization Framework.
Presented at MGP Conference 2019, Philadelphia, PA
REACH Overview with Special Considerations for REACH 2018.
Presented at Gradient's Reach 2018 Webinar.
Tools and Best Practices for Read-Across in Toxicological Risk Assessment of Medical Devices.
Presented at the Biocompatibility Matters 2022 Conference, Copenhagen, Denmark
Does one size fit all? Tailoring read-across methodology based on endpoint-specific criteria.
Presented at Navigating TSCA Reform: Evolving Chemical Hazard Evaluation Strategies for SMEs (Session Two) Webinar
Sustainability and Microconstituent Management – What Are the Big Questions?
Presented at NEWEA Specialty Conference on Microconstitutents: Sources, Sinks and Sustainability, Bentley University, Waltham, MA
Framework Overview: Evaluating Surface Impoundment Closure Options.
Screening, Testing, and Assessing Ingredient Portfolios for Endocrine Disruption.
DIGITAL ARCHIVE|PUBS|PUBSWEBCONF
Screening, Testing, and Assessing Ingredient Portfolios for Endocrine Disruption.
Presented at the Personal Care Product Council Science Symposium, Arlington, VA
Chemical Safety Evaluation Challenges of the Lautenberg Chemical Safety Act (LCSA).
Presented at Navigating TSCA Reform: Evolving Chemical Hazard Evaluation Strategies for SMEs (Session One) Webinar
Safety Testing for Dietary Supplements.
Presented at the Biological Relevance and Health Concerns of Genotoxicity Conference of the Genetic Toxicology Association, Newark, DE
Reducing Uncertainty in DNAPL Characterization.
24th Annual International Conference on Soils, Sediment, and Water
Risk-Based Approaches for Establishing Alternative Standards at Coal Combustion Sites.
Presented at the World of Coal Ash (WOCA) Ponded Ash Workshop, Louisville, Kentucky, October 30-31
Welding Fume Manganese Guideline – Integrating Human and Non-human Primate Data.
Presented at the American Industrial Hygiene Association Conference, Washington, DC
Nanomaterials in Consumer Products: A Sunscreen Case Study.
Interpretation of Risks at Exposures Above Occupational Exposure Limits (OELs): Case Study for Manganese.
Presented at the New England AIHA All-Day Conference and Vendor Expo, Sturbridge, MA
Proposal: Risk Evaluation of Controlled Low Strength Material (CLSM) Using US EPA Guidance.
Presented at the American Coal Ash Association (AACA) 2018 Fall Meeting, New Orleans, LA
Update on US EPA Environmental Justice Policies: A Survey of Federal Activities.
Presented at the Association of Battery Recyclers (ABR) Fall Meeting
Hydraulic Fracturing Fluid Forensics: Potential and Pitfalls.
Presented at the AEHS Foundation 32nd Annual International Conference on Soils, Sediments, Water, and Energy, Amherst, MA
Assessing Ingredient Portfolios for Endocrine Disruption.
Presented at the PSX 2023 Conference, Boston, MA
Natural Gas Condensate Forensics: A Case Study.
Presented at the AEHS Foundation 35th Annual International Conference on Soils, Sediments, Water, and Energy, Amherst, MA
Industrial Hygiene.
Presented at Gradient's Trends 67 Webinar.
Vapor intrusion attenuation factors: Measured vs. EPA-recommended default and the importance of background.
Presented at the Annual Conference on Hydrocarbon Contaminated Soils, Amherst, MA, October 11, 2004.
"Rare" Growth Opportunities.
Ceramic Ind.
TSCA Reform: New Options for Animal Testing Alternatives.
Presented at SETAC World Congress, Orlando, FL
Framework for Evaluating the Relative Impacts of Surface Impoundment Closure Options.
Presented to the Pacific Northwest International Section of the Air & Waste Management Association
Hazard Assessment: Basic Building Blocks of Compliance and Proactive Product Stewardship.
Presented at the Product Stewardship Society's Product Stewardship Conference 2017, Tampa, FL
An evaluation of chemical contamination in the aftermath of Hurricane Katrina.
BNA Environ. Rep.
A Strategic Roadmap: Assessing Safety & Biocompatibility of Medical Devices.
Presented at Medmarc Medical Device Webinar
Introduction to the GHS and Challenges Associated With Its Implementation.
Presented at Gradient and Bergeson & Campbell, P.C.'s GHS Webinar Series.
Around the World With Your New Chemicals.
Presented at the Product Stewardship Society's Product Stewardship Conference 2017, Tampa, FL
When Molecules Fall Apart: New Approach Methodologies for Chemicals That Dissociate.
Presented at the Society of Environmental Toxicology and Chemistry (SETAC) North America 43rd Annual Meeting, Pittsburgh, PA
Evaluating Exposure and Risk in Fenceline Communities: The Uses and Limitations of Publicly Available Geographic Information System (GIS)-Based Tools.
Presented at the SETAC North America 43rd Annual Meeting 2022, Pittsburgh, PA
Regulatory Multi-Generational Testing: The Endocrine Disruptor Screening Program Experience.
Presented at the Society of Environmental Toxicology and Chemistry (SETAC) North America 35th Annual Meeting, Vancouver, BC
Hydraulic Fracture Height Limits and Fault Interactions in Tight Oil and Gas Formations.
20th International Petroleum Environmental Consortium Conference, San Antonio, Texas
A Comparison of Recent Seismic Events Proximate to Underground Injection Wells.
20th International Petroleum Environmental Consortium Conference, San Antonio, Texas
Multiple Forensic Approaches Used to Evaluate Claims Against a Refinery That Had Been Closed More Than 30 Years.
20th International Petroleum Environmental Consortium Conference, San Antonio, Texas
Building Your Toolbox: Read-Across Tools for Alternatives Assessment.
Presented at SETAC North America 37th Annual Meeting/7th SETAC World Congress, Orlando, FL
Characterizing Wildlife Exposure-Response Relationships Using Benchmark Dose Analysis: Exploring Effect Endpoints and Dose-Metrics.
Presented at the Society of Environmental Toxicology and Chemistry (SETAC) North America 35th Annual Meeting, Vancouver, BC
Using GHS-Based Approaches to Compare the Hazards of Replacement Chemicals.
Presented at the New England American Industrial Hygiene Association All Day Meeting, Norwood, MA
Water Rights.
Presented at Gradient's Trends 69 Webinar
Subsurface LNAPL Behavior in a Tidal Zone: A Case Study.
Battelle Seventh International Conference on Remediation of Chlorinated and Recalcitrant Compounds, Monterey, CA
A Weight-of-Evidence Approach to Assess NAPL Mobility.
Battelle Seventh International Conference on Remediation of Chlorinated and Recalcitrant Compounds, Monterey, CA
Challenges in Defining A Safe Level: Lead Case Study.
Presented at the IFSAN-CFS3 Virtual Advisory Council Symposium: Understanding of the Impact of Arsenic, Cadmium, and Lead Across the Food Supply
Green and Sustainable Remediation Analysis: Coal Ash Surface Impoundment Closure.
Presented at Battelle's Fourth International Symposium on Bioremediation and Sustainable Environmental Technologies, Miami, FL
One Size Doesn't Fit All: Tailoring Read-across Methodology for TSCA and Other Contexts.
Presented at the NIEHS SRP Risk e-Learning "Tools for Assessing Exposure and Toxicity" Webinar
Establishing Alternative Groundwater Protection Standards Under [a changing] CCR Rule.
Presented at the Utility Solid Waste Activities Group (USWAG) CCR Workshop, Washington, DC
Timing of Exposure Issues in Assessing Developmental and Reproductive Health Risks.
AIHce2011 Conference, Portland, OR, May 14-19, 2011
Evaluating Climate Change Impacts on CCP Surface Impoundments and Landfills.
Presented at the World of Coal Ash (WOCA) Conference, St. Louis, MO
Nanomaterials in Food and Food Contact Substances: Hazards, Risks and Regulation.
Presented at the Nanotech 2017 Conference & Expo, Washington, DC, May 14-17
Regional Screening Levels for the Appendix IV Constituents without Maximum Contaminant Levels (MCLs): Looking Under the Hood.
Presented at the World of Coal Ash (WOCA) Conference, St. Louis, MO
An Integrated Methodology Across the Dispersion Preparation-Characterization-In vitro Dosimetry Continuum for Engineered Nanomaterials.
Presented at the Nanotech 2017 Conference & Expo, Washington, DC, May 14-17
Alternate Endpoints for Remediating NAPL-Impacted Sites.
Presented at EPRI/AWMA Env-Vision Conference, Crystal City, VA
The dubious benefits of further ozone reductions (Op-ed).
Wall St. J.
Comments on the Toxic Substances Control Act Draft Risk Evaluation for Asbestos Regarding Chrysotile Asbestos and the Occupational Use of Automotive Brakes, Docket No. EPA-HQ-OPPT-2019-0501.
Evaluation of US EPA's Non-cancer Risk Assessment of Libby Amphibole Asbestos.
Presented at ASTM Symposium on Naturally Occurring Asbestos, Anaheim, California
New Approach Methods for Toxicological Risk Assessment of Extractable Compounds from Biodegradable/Bioresorbable Medical Devices.
Presented at the Society of Toxicology (SOT) 62nd Annual Meeting and ToxEpo, Nashville, TN
Modeling Drinking Water Related Human Health Risks from Hydraulic Fracturing (HF) Additives.
US EPA Hydraulic Fracturing Workshop, Arlington, VA
Proven Environmental Forensic Methods for Determining Liability and Apportioning Allocation Under CERCLA.
American Bar Association, 40th Annual Conference on Environmental Law, Salt Lake City, UT
Evaluation of Reproductive Health Effects for the Caffeine in an Energy Shot.
Presented at the Society of Toxicology (SOT) 56th Annual Meeting, Baltimore, MD
Updating the Delaney Clause: Mode of Action Considerations for Carcinogens. The Delaney Clause, from 1958 to 2019: Making the Model Relevant.
Presented at the Society of Toxicology (SOT) 58th Annual Meeting 2019 Roundtable Session, Baltimore, MD
A Standardized, Integrated Methodology across the ENM Dispersion Preparation-Colloidal Characterization-Cellular Dosimetry Continuum.
Presented at the Society of Toxicology (SOT) 57th Annual Meeting, San Antonio, TX
Assessing Industrial Facility Vulnerability from Flooding Events in a Changing Climate.
Presented at AWMAs 110th Annual Conference & Exhibition, Pittsburgh, PA
Evaluating Exposure and Risk in Communities with EJ Concerns: Uses and Limitations of Publicly Available Geographic Information System (GIS)-Based Tools.
Presented at ACE 2023: Air & Waste Management Association (A&WMA)'s 116th Annual Conference & Exhibition, Orlando, FL
Challenges in Derivation & Application of OELs for Developmental and Reproductive Toxicants.
Presented at AIHce 2015, Salt Lake City, UT, May 30 - June 4
Environmental Issues Associated With Expanding Rare and Specialty Metal Resources for Green Technologies.
Presented at the Metals for Energy & the Environment Conference, Las Vegas, NV, June 2-3
National Ambient Air Quality Standards.
Presented at the Mercatus Center Risk Analysis Seminar, Portland, OR
Assessing Lead Exposure Risk from Botanicals: Ayurvedics as a Case Study.
Presented at the Teratology Society's 58th Annual Meeting, Clearwater, FL
Alternatives Assessment.
Presented at Gradient's Trends 66 Webinar.
Relative Liner Performance for Coal Combustion Product Management Sites: Conceptual Review and Model Evaluation for Surface Impoundments.
Specifying piping materials for water infrastructure systems.
Environ. Sci. Eng. Mag.
Food Safety.
Presented at Gradient's Trends 75 Webinar
Weight-of-Evidence Evaluation of the Cardiovascular Effects of Ozone Exposure.
Society for Epidemiology Annual Meeting, Boston, MA
Hazard Screening Approaches for Identifying Safer Chemicals.
Presented at the ACS 21st Annual Green Chemistry & Engineering Conference, Reston, VA
Modeling Mass Discharge From the Source Zone.
Presented at Battelle's Second International Symposium on Bioremediation and Sustainable Environmental Technologies, Jacksonville, FL
Risk-Based Remediation and Closure of a Petroleum Feedstock Affected Site in India.
Presented at the Battelle Symposium on Bioremediation and Sustainable Environmental Technologies
Considerations in Interpreting Group-Level Studies of Mercury Health Effects.
The 10th International Conference on Mercury as a Global Pollutant (ICMGP), Halifax, Nova Scotia
The Environmental and Human Health Risks of CCPs: Influence on Regulations and Operating Environment in the US.
Presented at Coal Ash Asia 2017, Beijing, China
Evaluating Exposure to Lead in Food Under CA Proposition 65.
Presented at the IFT18 Annual Meeting & Food Expo, Chicago, IL
Sustainable and Safe? Considerations for the Fashion Industry.
Presented at the National Association of Women Lawyers (NAWL) 2020 Virtual Annual Meeting
Coal Ash Management and Beneficial Use: What's Happening in the US?
Presented at the Ash Development Association of Australia National Technical and Education Committee Workshop, Sydney, Australia
Ecological Effects of Coal Combustion Products.
Presented at the Electric Power Research Institute (EPRI) P40 Summer Meeting, Asheville, NC
Chemical Profile: Molybdenum.
Presented at the EPRI P49 Summer Meeting, Asheville, NC
Exposure and the Age Dating of Chemical Plumes: Organics.
Mealey's Water Contamination Conference, Pasadena, CA
Thoughts on EPA and Emerging Science: A Personal Perspective.
Presented at Duke Environmental Law & Policy Forum: The EPA at 40
Regulatory Updates For Key Metals.
Presented at the EPRI GWRC Risk Assessment Workshop
Environmental Safety Benchmarks: Putting the Pieces Together.
Presented at the EPRI GWRC Risk Assessment Workshop
Risk-Based Approaches for Establishing Alternative Groundwater Protection Standards.
Presented at the EPRI Remediation Workshop
Agricultural Chemicals.
Presented at Gradient's Trends 65 Webinar.
Environmental Issues Associated With Expanding Rare Earth Resources.
Presented at the Annual Conference of the Society for Mining, Metallurgy & Exploration (SME), Seattle, WA
Natural Resource Damages.
Presented at Gradient's Trends 68 Webinar.
Pharmaceuticals.
Presented at Gradient's Trends 71 Webinar
Quantitative Methods for Allocating Multiple Contaminants in Sediments.
Presented at Battelle's Tenth International Conference on Remediation and Management of Contaminated Sediments, New Orleans, LA
Evaluation of Quantitative Scoring Approaches and Consideration of an Independent Approach.
Presented at the 40th Annual Winter Meeting of The Toxicology Forum, Washington, DC
US FDA partial recognition of ISO 10993-18:2020 – Implications for toxicological risk assessment.
MDCPSS Newsl.
Risk Assessment Approaches for Dealing with Data Poor Chemicals.
Presented at the Society for Risk Analysis Annual Meeting, Washington DC
Non-cancer Risk Assessment of Libby Amphibole Asbestos.
Presented at the Society for Risk Analysis Annual Meeting, Washington DC
The Accounts Table for Weighing Diverse Lines of Evidence to Assess Causality.
Presented at the Society for Risk Analysis Annual Meeting, Washington DC
Comparison of a Site Risk Assessment Conducted Using US EPA Superfund Risk Assessment Guidelines vs. LDEQ RECAP Methods.
Presented at the Society for Risk Analysis Annual Meeting, Washington DC
Degradation Products as Surrogates for Hazard Assessment of Readily Degradable Substances.
Presented at the Society for Risk Analysis Annual Meeting, Washington DC