Fehling Group

Identifying Soil Cleanup Criteria for Dioxins in Urban Residential Soils: How Have 20 Years of Research and Risk Assessment Experience Affected the Analysis?

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Presentations

Identifying Soil Cleanup Criteria for Dioxins in Urban Residential Soils: How Have 20 Years of Research and Risk Assessment Experience Affected the Analysis?

Identification on of Surrogate Reference Chemicals for Volatile Organic Compounds Commonly Encountered at Hazardous Waste Sites

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Presentations

Identification on of Surrogate Reference Chemicals for Volatile Organic Compounds Commonly Encountered at Hazardous Waste Sites

Fehling, K.A. and Green, S.R. 2024. Visualization Tool Utilizing Select Statistical Methods for Evaluation of Background Data. 19th Annual EPAZ Conference, February 26-27.

Members only

Presentations

Fehling, K.A. and Green, S.R. 2024. Visualization Tool Utilizing Select Statistical Methods for Evaluation of Background Data. 19th Annual EPAZ Conference, February 26-27.

Publications

Physical and Chemical Characteristics of Blast Furnace, Basic Oxygen Furnace, and Electric Arc Furnace Steel Industry Slags

Approximately 21 million tons of steel industry slag are produced each year in the United States, and many productive commercial uses of slag have been developed (e.g., road bed, fill material). However, because slag ...

Publications

Assessment of Human Health and Ecological Risks Posed by the Uses of Steel-Industry Slags in the Environment

Steel-industry slag, a co-product of iron and steel production, is produced and sold for use in a wide range of applications. A comprehensive study of the potential human health risks associated with the environmental applications (e.g., fill, roadbase, landscaping) of iron- and steel-making ...

Publications

Oral bioaccessibility of dioxins/furans at low concentrations (50-350 ppt toxicity equivalent) in soil

Animal studies have indicated that the oral bioavailability of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) in environmentally contaminated soil could range from 0.5 to 60%. To estimate the oral bioavailability of TCDD, and the 16 other 2,3,7,8-substituted dioxin/furan congeners, this study used ...

Publications

Background concentrations of dioxins, furans, and PCBs in Sprague-Dawley rats and juvenile swine

In preparation for a study of the relative oral bioavailability of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in soils (typically containing less than 1 ppb 2,3,7,8-tetrachlo-rodibenzo-p-dioxin [TCDD] toxic equivalents [TEQ]), the background concentrations of PCDD/Fs ...

Publications

Chrysotile asbestos exposure associated with removal of automobile exhaust systems (ca. 1945–1975) by mechanics: Results of a simulation study

Publications

Identifying soil cleanup criteria for dioxins in urban residential soils: how have 20 years of research and risk assessment experience affected the analysis?

Publications

Chrysotile asbestos exposure associated with removal of automobile exhaust systems (ca. 1945-1975) by mechanics: results of a simulation study

For decades, asbestos-containing gaskets were used in virtually every system that involved the transport of fluids or gases.

Publications

Exposure to chrysotile asbestos associated with unpacking and repacking boxes of automobile brake pads and shoes

Industrial hygiene surveys and epidemiologic studies of auto mechanics have shown that these workers are not at an increased risk of asbestos-related disease; however, concerns continue to be raised regarding asbestos exposure from asbestos-containing brakes.

Publications

A study of airborne chrysotile concentrations associated with handling, unpacking, and repacking boxes of automobile clutch discs

Publications

Chemicals present in automobile traffic tunnels and the possible community health hazards: a review of the literature

Dozens of volatile and semivolatile organic compounds can be detected in vehicle exhaust, along with numerous metals and oxides of sulfur, nitrogen, and carbon.

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EPA Enters the Clean Car Era

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Publications

Oral Bioavailability of Polychlorinated Dibenzo-p-Dioxins/Dibenzofurans in Industrial Soils

Articles

Integrating Advanced Toxicology in Environmental Decision-Making

Since its inception in 2008, The Fehling Group, LLC (TFG) has been pioneering in risk management and regulatory compliance for chemical release incidents, emphasizing public health and environmental protection through advanced risk assessment methodologies.

Articles

Leading the Way in Environmental Risk Assessment and Regulatory Support

TFG excels in merging toxicology with environmental decision-making, advancing regulatory frameworks and risk assessment with the expertise of board-certified toxicologists and environmental scientists, ensuring informed, health-protective decisions across industries.

Articles

The Evolution of Risk Management Strategies in Chemical Release Incidents

The Fehling Group, LLC leads in environmental risk assessment, offering comprehensive solutions across the U.S. and Europe, aiding regulatory decisions with a blend of toxicology, hydrogeology, and environmental statistics, committed to safeguarding public health and ecosystems.

Publications

Chemicals present in automobile traffic tunnels and the possible community health hazards: A review of the literature.

Dozens of volatile and semivolatile organic compounds can be detected in vehicle exhaust, along with numerous metals and oxides of sulfur, nitrogen, and carbon. While the adverse effects of these chemicals have been extensively studied surrounding open roadways, the hazards to local residents and...