PFAS Contamination - Australia: Diminution in value studies related to the privately-owned residential properties in and around Williamtown, New South Wales, Oakey, Queensland and Katherine, Northern Territories due to the presence of a class of emerging contaminants known as perfluorinated substances (PFAS) migrating from adjacent air force bases (Commonwealth of Australia, Department of Defense).
Jurupa Valley, California Determined the diminution in value on non-source properties. The U.S. government passed the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (CERCLA), or the Superfund Act due to the three incidents, the Love Canal (NY), Times Beach (MI) and Stringfellow Acid Pit (or Sewergate-CA) because parties responsible to clean up the chemical waste dumps could generally not be located or were not able to pay for it. Stringfellow is one of the three most notorious superfund sites in U.S. history.
Computed damages caused by a 300,000-gallon spill. According to a front-page article in the Los Angeles Times, Avila Beach is one of California’s largest contamination cases.
Diminution in value resulting from a tank farm leak in Maui, Hawaii. Retained by Chevron, Shell, and Unocal.
Calculate damages related to off-site petrochemical oil plume migration causing flammable soil vapor and associated fire/explosion risk in buildings in NYC.
Diminution in value study related to a site formerly owned and used by Shell as a fuel distribution petroleum. Related chemicals remained in the soil, soil gas and groundwater beneath the development.
Carson, California: PVD study of the environmentally contaminated Carousel housing tract in California, which sits on a former Shell Oil Co. and Dole Food Co., tank farm that left significant amounts of petroleum a few feet below the neighborhood's 285 homes. Vapor intrusion issues.
Sayreville, New Jersey: Study related to eminent domain procedures and soil and sediment pollution in Raritan River and NY harbor. Constituents of concern include radionuclides, heavy metals, polyaromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs).
Former Dow Chemical manufacturing facility, Torrance, California; Partial taking of land impacted by hazardous waste such as dioxins, by the City of Torrance.
Quintanilla and Paloma Ranch, Texas Analysis of impaired values and diminution from Sour Gas attributed to the injection of fluids containing hydrogen sulfide into the earth’s crust as part of an oil and gas refinery operation
Burlington Northern Santa Fe (BNSF), Portland, OR: Diminution in value study related to soil and groundwater contamination in the Northwest Industrial Area of downtown, which was to be redevelop as a high-density, mixed-use neighborhood, with parks as part of the city's River District.
Hawaii: Computed the diminution in value, if any, resulting from the State’s largest contamination case involving pesticides
A case where toxins were illegally disposed in a creek and spread throughout a town. Many homes, churches, businesses, and schools were deserted or razed.
Analyzed the effect of unexploded ordinance and perchlorate contamination on 1,000 acres of undeveloped land.
Kauai, Hawaii: Estimated the damages, if any, caused to multiple commercial properties because of a gasoline and oil spill in a resort bay.
Estimated the effect of an encapsulated landfill on present and future commercial property values. The proposed retail development was to have been constructed on top of a contaminated solid waste landfill.