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Biologic and Environmental Contamination
Items related to the introduction of harmful substances into the environment by human action or natural processes.

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Total Results: 22
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Testing Coal-Tar Sealcoats for Toxic PAH Emissions
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Location: Pickle Research Campus, University of Texas, Austin, TX, USA
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Testing Coal-Tar Sealcoats for Toxic PAH Emissions
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Location: Pickle Research Campus, University of Texas, Austin, TX, USA
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Testing Coal-Tar Sealcoats for Toxic PAH Emissions
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Location: Pickle Research Campus, University of Texas, Austin, TX, USA
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Testing Coal-Tar Sealcoats for Toxic PAH Emissions
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Location: Pickle Research Campus, University of Texas, Austin, TX, USA
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Coal-tar Sealcoat
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Location: WA
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The Effects of Human Activity versus Natural Processes on U.S. Soil
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Location: NJ, USA
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A Saharan Dust Storm Over the Atlantic Ocean
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Location:
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Ready for Action
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Location: USA
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Mountain of Salt
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Location: USA
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Low-lying loggerhead sea turtle nest that may be subject to inundation by sea water....
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Sea turtle Nest, East Key, Dry Tortugas National Park
Low-lying loggerhead sea turtle nest that may be subject to inundation by sea water....
Location: Dry Tortugas National Park, FL, USA
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John Clune and Connie Loper, PA Water Science Center, processing an emerging-contaminants bed-sediment sample at Rock Creek near Gettysburg, PA....
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Processing Emerging-Contaminants Bed-Sediment Sample
John Clune and Connie Loper, PA Water Science Center, processing an emerging-contaminants bed-sediment sample at Rock Creek near Gettysburg, PA....
Location: Gettysburg, PA, USA
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John Clune, PA Water Science Center, collecting an emerging-contaminants bed-sediment sample at the Susquehanna River at Danville,PA....
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Collecting Emerging-Contaminants Bed-Sediment Sample
John Clune, PA Water Science Center, collecting an emerging-contaminants bed-sediment sample at the Susquehanna River at Danville,PA....
Location: Danville, PA, USA
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John Clune, PA Water Science Center, processing an emerging-contaminants bed-sediment sample at Lititz Run....
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Processing Emerging-Contaminants Bed-Sediment Sample
John Clune, PA Water Science Center, processing an emerging-contaminants bed-sediment sample at Lititz Run....
Location: Lititz, PA, USA
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Microcystis ehrenbergii epifluorescence microscopy and stained with Sytox Green (a DNA stain that is excluded from live cells).  Bacterial cells on the outer mucilaginous sheath of this colony show as bright green dots....
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Bacteria Keep Out! The Benefits of Producing Mucilage
Microcystis ehrenbergii epifluorescence microscopy and stained with Sytox Green (a DNA stain that is excluded from live cells).  Bacterial cells on the outer mucilaginous sheath of this colony show as bright green dots....
Location: Pinto Lake, CA, USA
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This cyanobacterium has radiating filaments and basal heterocysts. Green is Sytox Green (a DNA stain that is excluded from live cells)....
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What's In My Water?
This cyanobacterium has radiating filaments and basal heterocysts. Green is Sytox Green (a DNA stain that is excluded from live cells)....
Location: Klamath Lake, OR, USA
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This illustration is a map of the U.S. showing 2007 WARP model estimates of atrazine concentrations in streams. The colors on the map refer to the estimated maximum 21-day moving-average concentrations (micrograms per liter) of atrazine....
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2007 WARP Model Estimates of Maximum 21-Day Moving-Average Atrazine Concentrations in Streams
This illustration is a map of the U.S. showing 2007 WARP model estimates of atrazine concentrations in streams. The colors on the map refer to the estimated maximum 21-day moving-average concentrations (micrograms per liter) of atrazine....
Location: USA
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USGS scientist Barbara Mahler uses a special vacuum (a model HVS3 High Volume Surface Sampler) to collect dust samples to be evaluated for contaminants....
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Collecting parking lot sealant samples
USGS scientist Barbara Mahler uses a special vacuum (a model HVS3 High Volume Surface Sampler) to collect dust samples to be evaluated for contaminants....
Location: USA
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Radiograph of immature bald eagle containing numerous lead shot in its digestive tract (Jacobson et al. 1977)....
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Radiograph: Bald Eagle
Radiograph of immature bald eagle containing numerous lead shot in its digestive tract (Jacobson et al. 1977)....
Location: USA
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Lead shot in the fall zone at the Broadkiln Sportsman's Club (quarter-coin for scale)....
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Lead Shot in the Fall Zone
Lead shot in the fall zone at the Broadkiln Sportsman's Club (quarter-coin for scale)....
Location: USA
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Brown pelican stomach with ingested jig head, hooks, and line....
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Pelican Stomach: Injested Objects
Brown pelican stomach with ingested jig head, hooks, and line....
Location: USA
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Total Results: 22

 

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