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Assessing frogs and toads along Hanford Reach The Department of Energy monitors these anurans on the Hanford Site because they are considered sentinel species and serve as fundamental indicators of ecological health. EAS staff routinely conduct surveys for anurans to help protect sensitive breeding areas from project operations. EAS surveyed known anuran breeding pools on …
Surveying Breeding Areas for Sensitive Toad Species Read More »
Characterizing Mollusks and Other Macro-Invertebrates at the Hanford Enclosure EAS surveyed more than 40 locations in the riparian and aquatic zones between the 100 and 300 Areas of the Hanford Site to gather information on mollusks and other macro-invertebrates for the DOE. EAS located, identified, collected, and measured mollusks, including rare species such as the pebbles …
The Gulf of Mexico, Deepwater Horizon Oil Spill Provided 20 technicians and scientists to collect samples, design and execute rapid sample intake protocols, and prepare sampling training modules to train project personnel and stakeholders. Participated in NOAA sampling cruises in the Gulf to collect samples of fish, sargassum, plankton, water, sediment, and to maintain …
ASSESSING NATURAL RESOURCE DAMAGE IN THE GULF OF MEXICO Read More »
Hanford Site Tank Farm Ecological Risk Assessment – WMAC EAS prepared the field sampling instructions, health and safety plan, quality assurance plan, and led field sampling and prepared small mammal samples for analyses as part of an ecological risk assessment at the Waste Management Area C (WMAC) tank farm. The purpose of this investigation was …
Ecological Risk Assessment Data Quality Objectives, Sampling and Analysis Plans, and Sampling and Instruction Plans Developing data quality objectives (DQO) and sampling and analysis plans (SAP) are an important part of the ecological risk assessment process. For two years, EAS staff assisted DOE and Bechtel Hanford, Inc. develop and prepare DQOs, SAPs, and sampling and …
ECOLOGICAL RISK ASSESSMENT DATA FOR DOE AND BECHTEL HANFORD Read More »
Population Characteristics. To support this large-scale assessment, EAS scientists assisted Fluor Hanford to develop the data quality objectives and sampling and analysis plans, and we collected hundreds of field samples to evaluate the ecological health or condition of terrestrial habitats. EAS sampled air, soil, and biota and measured individual and population characteristics of lizards, mammals, …
CENTRAL PLATEAU TERRESTRIAL ECOLOGICAL RISK ASSESSMENT Read More »
Using Caged Clams to Assess the Exposure and Effects of Contaminated Groundwater Upwelling at Hanford Site near the Columbia River Researchers have detected concentrations of uranium, a contaminant of concern, in much of the shallow groundwater beneath the 300 Area of the Hanford Site near the Columbia River. Benthic organisms such as Asiatic clams are …
ASSESSING EXPOSURE AND EFFECTS OF CONTAMINATED GROUNDWATER UPWELLING Read More »
NRDA Field Study Plan: Characterizing Temporal and Spatial Patterns of Contaminated Groundwater Upwelling into the Columbia River EAS provided the U.S. Department of Energy’s Richland Operations Office (DOE-RL), on behalf of the Hanford Natural Resource Trustee Council, a highly experienced and technically proficient team to support the development of a scientifically sound field study plan …
CHARACTERIZING TEMPORAL AND SPATIAL PATTERNS OF CONTAMINATED GROUNDWATER Read More »
Remedial Investigation of Hanford Site Releases to the Columbia River EAS collected more than 1,100 new samples between 2008 and 2010 to measure concentrations of contaminants in aquatic media in support of DOE’s Remedial Investigation of Hanford Site Releases to the Columbia River. We sampled, evaluated, and reported on surface water and pore water, sediment, …
Installation of Hyporheic Sampling Points (HSPs) in the 100-BC Area EAS was awarded the CHPRC contract to build and install 22 hyporheic sampling points in the Columbia River near the 100-BC-5 Area of the Hanford Site. The purpose of the project was to better define the level of hexavalent chromium in the river substrate, describe …