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Pre-design Investigation, Superfund Site, Rhode Island
OPTICS Study on Mercury Releases to South River
Elevated concentrations of mercury and methylmercury in water bodies can pose significant health risks to humans and wildlife. In Virginia,...
Florida v. Georgia, Supreme Court No. 142
Florida and Georgia have been feuding for more than 25 years over water in Apalachicola Bay; Georgia needs water for...
Acoustics Characterizing Noise Associated with Marine Energy
Monitoring and mitigating underwater sound is critical for the design, implementation, and permitting of ocean-based development projects such as marine...
Expert Witness Testimony and Litigation Support for an Active Wood Processing Facility
A plaintiff group had alleged that releases of dioxins, PAHs, and other chemicals had entered the attics and crawl spaces...
Oral Reference Dose for Perfluorohexanoic Acid
Prompted by health concerns, industry phased out long-chain per- and polyfluoroalkyl substances (PFAS), replacing them with short-chain PFAS for their...
Residual Ecological Risk Assessment to Support Landfill Feasibility Study
As part of a feasibility study for a former landfill in New Jersey, we were asked to evaluate the ecological...
Decommissioning Oil Platforms—An Ecosystems Services Approach
Decommissioning aging oil platforms at sea requires complex engineering to safely remove structure and equipment. While advanced treatment technologies now...
Blackwell Zinc Site – Groundwater Remediation
A former zinc smelter operating from 1916 to 1974 released zinc and cadmium sulfate solutions to the surficial alluvial aquifer...
Alaska LNG Sediment Modeling
Alaska LNG has proposed constructing a pipeline from the North Slope to Cook Inlet that would deliver natural gas for...
Groundwater Flow and Transport Model of Pentachlorophenol Plume Attenuation: Oregon
Pentachlorophenol (PCP) treatment was used at a sawmill from the early 1960s to mid-1980s. A PCP soil source was remediated...
Douglas Harbor Dredging: Alaska
In Douglas Harbor, Alaska, a planned harbor renovation required dredging and placement of approximately 30,000 cubic yards of mercury-contaminated sediment...
PFAS Detected in Drinking Water Supply
Per- and polyfluoroalkyl substances (PFAS) were detected in a potable water supply well. Meanwhile, the regulatory agency was contemplating drinking...
Development of Regulatory Toxicity Criteria for Lindane and Isomers
Although lindane is no longer produced or used agriculturally in the United States, exposure to hexachlorocyclohexane (HCH) isomers is of...
Risk Assessment for PCBs in Soils at a Ranch
PCBs originating from a former gas plant had contaminated a nearby cattle ranch in rural Texas. The State of Texas...
Remedial Investigation and Feasibility Study at San Jacinto River Waste Pits Superfund Site: Texas
In 2009, the San Jacinto River Waste Pits RI/FS was initiated to address dioxins and furans associated with wastes from...
Former DDT Manufacturing Facility Site Investigation: Oregon
DDT and related chemicals from historical pesticide manufacturing and other sources were found in river sediments at the Portland Harbor...
Waves Anywhere: Real-Time Wave Modeling at Integral
Although forecast wave models are publicly available and widely used in the scientific community, implementation of real-time forecast modeling is...
Ecosystem Impacts for Matilija Dam: California
Originally built in 1947 to store water for agriculture, the Matilija Dam in California has been obsolete for more than...
Former Industrial Laundry PCE Contamination Lawsuit: Washington
Regulatory and financial constraints had curtailed our client’s efforts to actively remediate a PCE-contaminated former industrial laundry facility in an...
Source Identification, Chemical Fingerprinting, and Expert Testimony: Washington
When polycyclic aromatic hydrocarbons (PAHs) were found in the Thea Foss Waterway, several parties contributed to the cleanup costs. One...