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Source to Outcome Framework
Source to Outcome Research Framework
Source to Outcome Research Framework
Source to Outcome Research Framework

Source to Outcome Research Framework that was updated from the 2022 Source to Receptor Research Framework

Car parked next to a storm drain in the rain with water washing debris into the drain.
Car parked near an urban storm drain in Virginia.
Car parked near an urban storm drain in Virginia.
Car parked near an urban storm drain in Virginia.

Urban stormwater drains are used to channel runoff from precipitation away from roads for treatment and to prevent flooding. Contaminants in water can also be transported through stormwater systems in rain and snowmelt runoff. 

Urban stormwater drains are used to channel runoff from precipitation away from roads for treatment and to prevent flooding. Contaminants in water can also be transported through stormwater systems in rain and snowmelt runoff. 

yellow liquid samples in tubes on a lab table.
Biosolids Analysis.
Biosolids Analysis.
Biosolids Analysis.

Co-extracted matrix is removed from biosolids prior to analysis at the USGS Organic Chemistry Research Laboratory (OCRL).

Photo Credit: Gabby Black.

Co-extracted matrix is removed from biosolids prior to analysis at the USGS Organic Chemistry Research Laboratory (OCRL).

Photo Credit: Gabby Black.

Bird (surf scoter) places its beak in underwater pipes.
Surf Scoter completing an underwater behavioral hearing test.
Surf Scoter completing an underwater behavioral hearing test.
Surf Scoter completing an underwater behavioral hearing test.

Surf Scoter completing an underwater behavioral hearing test in an experimental chamber in which the birds’ diving behavior can be studied under various environmental conditions. 

Analytical laboratory machines site on top of a lab table.
Liquid Chromatography-High Resolution Mass Spectrometry (LC-HRMS).
Liquid Chromatography-High Resolution Mass Spectrometry (LC-HRMS).
Bumble bees in sample containers on a tray.
Bumble bees being prepped for pesticide residue analysis.
Bumble bees being prepped for pesticide residue analysis.
Bumble bees being prepped for pesticide residue analysis.

Bumble bees being prepped for pesticide residue analysis at the USGS Organic Chemistry Research Laboratory (OCRL), California.

A bird dives underwater in a tank.
Long-tailed duck diving for underwater hearing testing.
Long-tailed duck diving for underwater hearing testing.
Long-tailed duck diving for underwater hearing testing.

Long-tailed duck diving for underwater hearing testing in an experimental chamber in which the birds’ diving behavior can be studied under various environmental conditions. 

Juvenile Coho Salmon in a tank.
Juvenile Coho Salmon (Oncorhynchus kisutch) Laboratory Studies.
Juvenile Coho Salmon (Oncorhynchus kisutch) Laboratory Studies.
Juvenile Coho Salmon (Oncorhynchus kisutch) Laboratory Studies.

Juvenile Coho salmon (Oncorhynchus kisutch) behavior is assessed following exposure to 6PPD-quinone, a derivative of the compound 6PPD which is used in tires to prevent wear.

Conceptual diagram showing sources, movement and fate of microplastic particles in the environment.
Microplastics Sources, Pathways and Fate Conceptual Diagram
Microplastics Sources, Pathways and Fate Conceptual Diagram
Microplastics Sources, Pathways and Fate Conceptual Diagram

Due to multiple reasons including the widespread use of microplastics, their environmental persistence, the global connectedness of aquatic environments, and the long-range transport of microplastics, these particles have been documented in every environmental compartment (e.g., air, water, soils).

Due to multiple reasons including the widespread use of microplastics, their environmental persistence, the global connectedness of aquatic environments, and the long-range transport of microplastics, these particles have been documented in every environmental compartment (e.g., air, water, soils).

Point Reyes National Seashore, California
USGS and NPS walk Drakes Beach to sample a pond for the presence of AIV at Point Reyes National Seashore, California
USGS and NPS walk Drakes Beach to sample a pond for the presence of AIV at Point Reyes National Seashore, California
Venn diagram depicting the USGS One Health concept, where animal health, human health and ecosystem conditions interact.
One Health Conceptual Diagram.
One Health Conceptual Diagram.
One Health Conceptual Diagram.

The USGS One Health approach addresses the interconnection between people, animals, plants, and their shared environment.

The USGS One Health approach addresses the interconnection between people, animals, plants, and their shared environment.

Source-To-Receptor
Source to Receptor Strategic Approach
Source to Receptor Strategic Approach
Source to Receptor Strategic Approach

Updated image that shows the strategic approach for the Environmental Health Program for Environmental Contaminants

Photograph showing red-brown buttes of sedimentary rocks incised by the sediment-rich brown water of the Colorado River.
Grand_Canyon_20230908_Brennan.jpg
Grand_Canyon_20230908_Brennan.jpg
Instrumentation set up in a valley near a mountain.
A fiber-optic distributed temperature sensing monitoring array installed along Cement Creek near Silverton, Colorado.
A fiber-optic distributed temperature sensing monitoring array installed along Cement Creek near Silverton, Colorado.
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