Expert Reports

For nearly a decade, SSP&A assisted with the development and implementation of long-term management of contaminated groundwater at the Anaconda Copper Mine Site in Lyon County, Nevada.

SSP&A was initially engaged to assess groundwater conditions and develop and apply models to design, evaluate, and optimize groundwater remedies for CERCLA operable units across the Hanford Site.

SSP&A was initially retained to provide expert review and evaluation of hydrologic, hydrogeologic, and geochemical conditions at the former Leviathan Mine Site, and to assess the sources of impacts of mining-related residues on groundwater and surface water.

SSP&A provided expert services for four legal matters related to PFAS contamination in the Alabama River system in Georgia and Alabama.

SSP&A was retained to develop a groundwater transport model that would explicitly account for the long-term fate of arsenic and boron in aquifers underlying the Coronet Industries Alternative Site, located in Plant City, Florida.

In support of litigation, SSP&A evaluated the impacts to groundwater and surface water from a wastewater treatment system and septic leach field at a commercial complex in Harwich, Massachusetts.

SSP&A developed and calibrated a highly-detailed and refined historical groundwater flow model of the Lower Rio Grande Basin.

SSP&A provided expert services for the State of New Mexico, New Mexico Environment Department (NMED), and members of the Navajo Nation in lawsuits related to a mine blowout at the Gold King Mine in Silverton, Colorado.

SSP&A was retained to evaluate the locations, timing, and quantities of historical contaminant discharges to the Columbia River to support a potential Natural Resource Damage Assessment (NRDA) claim.