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Daniel K. Lee

Daniel K. Lee
Senior Consultant

Daniel K. Lee

Senior Consultant

Mr. Daniel Lee is a risk assessor with 31 years of consulting experience. He has conducted, managed, or reviewed more than 85 human health risk assessments (HHRAs), ecological screening assessments, toxicity assessments, preliminary endangerment assessments, environmental impact statements, and environmental impact reports. Much of his project experience has focused on western states and federal programs. He has extensive project management experience, including management of risk assessment projects with budgets exceeding $600,000. Mr. Lee has considerable expertise with Native Americans’ exposure/intake assumptions (e.g., wild game and culturally significant plant ingestion), data eva...

Mr. Daniel Lee is a risk assessor with 31 years of consulting experience. He has conducted, managed, or reviewed more than 85 human health risk assessments (HHRAs), ecological screening assessments, toxicity assessments, preliminary endangerment assessments, environmental impact statements, and environmental impact reports. Much of his project experience has focused on western states and federal programs. He has extensive project management experience, including management of risk assessment projects with budgets exceeding $600,000. Mr. Lee has considerable expertise with Native Americans’ exposure/intake assumptions (e.g., wild game and culturally significant plant ingestion), data evaluation, data quality objectives, and toxicological properties of radionuclides, dioxins, herbicides, metals, pesticides, PAHs, PCBs, volatile organic compounds (VOCs), used motor oil, jet fuel, diesel fuel, gasoline, and other petroleum components. He also has extensive experience with air quality health risks (e.g., under the State of California Air Toxics “Hot Spots” Information and Assessment Act [AB 2588] and Proposition 65) and with the Emergency Planning and Community Right-to-Know Act (under SARA Title III).

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Human Health Risk Assessment

Baseline HHRA of Five Former Phosphate Mines, Caribou County, Idaho HHRA leader for five former phosphate mines evaluated under CERCLA. Responsibilities included extensive negotiations with U.S. Forest Service and Idaho Department of Environmental Quality and delivery of presentations. Tasks also involved extensive long-term collaboration and coordination with environmental consultants representing other nearby mine site PRPs. Evaluated exposures and risks posed to seasonal ranchers, recreational users, and Native Americans potentially exposed to site-related metals and radiologic constituents via multiple exposure pathways, including consumption of wild game and culturally significant plants.
Focused Human Health Subsistence-Based Risk Assessment, Copper Mine, Casa Grande, Arizona Conducted a focused HHRA to account for subsistence-based lifestyle of tribal members of the Tohono O’odham Nation potentially exposed to nonradioactive and radioactive constituents in groundwater and livestock.
Baseline HHRA, Copper Mine, Green Valley, Arizona Prepared and (as part of a team) implemented an HHRA work plan as part of the Arizona Voluntary Remediation Program. Evaluated potential impacts associated with potential exposure to metals and radionuclides in subareas that include former rhenium ponds. Risk assessment results were used to help determine the viability of expanding the mine site footprint.
Screening Level and Baseline HHRA, Copper Mine, Casa Grande, Arizona Conducted an HHRA evaluating potential impacts to Native American residents and trespasser swimmers exposed to inorganic and radionuclide constituents in multiple groundwater aquifers, surface water (pit lake), crops, and livestock.
Preliminary Endangerment Assessments, Former Gold Mine, Grass Valley, California Developed a work plan and conducted a modified preliminary endangerment assessment at a former gold mine in Grass Valley, California. Evaluated potential human health and environmental risks resulting from potential exposure to metals, including mercury.
HHRA, Fort Ord, California Conducted and managed an HHRA for the U.S. Army as part of a RI/FS at a U.S. military facility in California. Estimated potential risks associated with exposure to spent ammunition at a beach and sand dune rifle and pistol range.
Review of HHRA Involving Exposure to Lead via Sediment at a Former Gun Club, Everett, Washington Conducted critical review of a baseline HHRA at a former gun club located in Everett, Washington.
Historical Pipeline Portfolio, Central Valley and Richmond, California Provided risk assessment support to client and the California Water Board in selecting appropriate health based screening levels (using site-specific conceptual site models) as part of the remediation of a crude oil supply pipeline located between the California Central Valley and refineries located in Richmond, California.
Baseline HHRAs and Risk Evaluations, Treasure Island, Mare Island, Concord Naval Weapons Station, and China Lake, California Conducted large-scale baseline HHRAs and risk evaluations for the U.S. Navy. Constituents evaluated included PCBs (including volatile and dioxin-like PCBs), VOCs (including trichloroethylene), pesticides, dioxins, metals, and semivolatile organic compounds (SVOCs; including PAHs and pesticides).
HHRA, Central California Conducted an HHRA of a U.S. Army former radio tower for the U.S. military, which included the evaluation of metals and VOCs. This HHRA involved a leaking underground storage tank.
HHRA, Northern California Conducted and managed an HHRA for the U.S. Army as part of an RI/FS at a U.S. military facility in California to estimate potential risks associated with exposure to spent ammunition at a beach and sand dune rifle and pistol range.
Human Health Baseline Exposure Assessment, Lassen County, California Managed a human health baseline exposure assessment for the U.S. Army Corps of Engineers to evaluate potential human and wildlife exposures.
Human Health and Environmental Risk Assessment, Northern and Central California Conducted a human health and environmental risk assessment for the U.S. military at former military fire drill practice areas on the NPL. Included the evaluation of diesel fuel No. 2, JP-4 (jet fuel), and various metals, including inorganic mercury, detected in soil and groundwater.
HHRA and Remedial Planning, Former Pesticide Facilities, Arizona and California Conducted HHRAs to evaluate residual organochlorine pesticides and nitrogen fertilizers in soil and groundwater. Some sites involved the evaluation of eight hypothetical human receptors in 12 exposure units.
Baseline HHRA and Soil Vapor Sampling Plan, Former Pesticide Facility, Casa Grande, Arizona Conducted an HHRA associated with exposure to chlordane vapors emanating from soil. As part of this work, a soil vapor sampling plan was developed to analyze for the potential presence of chlordane vapors in soil.
HHRA, Former Sawmill, Fort Bragg, California Conducted an HHRA for a former lumber mill site. Constituents evaluated included lead, pentachlorophenol, chlorinated and fuel-related VOCs, and atrazine. The site was subdivided into 22 different exposure units. Up to six hypothetical receptors were evaluated in each exposure unit.
HHRA, Oakland, California Conducted and managed an HHRA for the Port of Oakland to estimate potential risks associated with disposal options for upland dredged sediment for a combined environmental impact report/environmental impact statement. Constituents evaluated included PAHs, organic and inorganic metals, and phthalates.
Human Health and Ecological Risk Assessment, Illinois Conducted a human health and ecological risk assessment related to VOCs, SVOCs, and metals at a former fuel terminal.
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