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.
Transco-Williams Groundwater Remediation
2024-11-21T16:44:54+00:00SSP&A works with the Mississippi Department of Environmental Quality and the Federal Energy Regulatory Commission to manage monitoring oversight and long-term management of the Transco-Williams facility.
Hanford Site Statistics and PHREEQC Geochemical Model
2024-11-21T17:09:28+00:00SSP&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.
Hyde Park Landfill – Remedial Action Assessment and Modeling
2024-11-21T17:22:44+00:00The Hyde Park Landfill is a hazardous waste landfill where approximately 20,000 tons of chlorinated compounds (primarily DNAPLs) were disposed in a fractured rock setting.
EPA Region 5 Hydrogeological Synthesis and Numerical Modeling Support
2024-11-21T17:33:12+00:00Multiple Sites in EPA Region 5: Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin
Biggars Lane Landfill
2024-11-21T17:35:24+00:00SSP&A developed analyses to predict the evolution of the concentration of chloride at a compliance boundary downgradient from an existing landfill and proposed new landfill cells.
Regional Municipality of Durham Groundwater Modeling Update
2024-11-21T17:39:12+00:00SSP&A was responsible for the local wellfield characterization for four communities including Cannington, Blackstock, Uxbridge, and Port Perry, in the Durham Region of Ontario, Canada.
West Lake Landfill Site
2024-11-21T17:46:08+00:00SSP&A was retained to estimate and depict the lateral extent and the volume of radiologically-impacted material (RIM) within Areas 1 and 2 of Operable Unit 1 (OU-1) at West Lake Landfill Site
Assessing Potential Impacts of the Tulla Transfer Application
2024-11-21T17:53:55+00:00To address concerns regarding groundwater/surface-water interactions and potential Rio Grande Project Supply impacts, SSP&A provided expert hydrogeologic support in the evaluation of the Tulla Resources application and developed possible strategies for offsetting any potential impacts.
Hanford Site: Groundwater Modeling
2024-11-21T18:15:38+00:00The USDOE Hanford Site transitioned over decades from a Manhattan Project mission to environmental assessment and cleanup. 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.
Former Halliburton Manufacturing Facility
2024-11-21T18:17:24+00:00SSP&A was initially retained to evaluate the fate and transport of CrVI (from historical plating activities) and the effectiveness of a combined strategy of in-situ and ex-situ remedies.
Columbia Basin Groundwater Management Area (GWMA) Groundwater Resources
2024-11-21T23:10:28+00:00Translating the developing conceptual model, complete with the natural and man-made complexities described above, is a challenging task that is being undertaken jointly by S.S. Papadopulos & Associates, Inc. (SSP&A) together with GSI Water Solutions in collaboration with the GWMA.
Hanford Natural Resources Damage Assessment Upwelling Study
2024-11-21T23:16:25+00:00SSP&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.