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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...
Deepwater Horizon—Information Management for NRDA: Louisiana
The Deepwater Horizon accident was unprecedented with regard to the volume and urgency of data to be collected, organized, shared,...
Strategic Environmental and Litigation Support Services, Expert Witness Testimony: Rhode Island
The Superfund record of decision called for an extensive and costly cleanup of dioxins, furans, PCBs, pesticides, herbicides, and volatile...
Arctic Coastal Erosion, Coastal Hazards Evaluation: Alaska
Permafrost along Alaska’s north slope comprises 34% of the world’s coastlines. Due to heightened wave activity and temperatures, erosion of...