Toxic Substances Hydrology
Multimedia
One-stop collection of videos, photography, and audio. All items in this gallery are considered public domain unless otherwise noted.
Scientist standing near a high resolution mass spectrometer
USGS scientist standing near the high resolution mass spectrometer at the UlS. Geological Survey Eastern Ecological Science Center. The instrument will be used for analyses of PFAS in plasma and tissue samples. Any display of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
High resolution mass spectrometer used for chemical analyses
High resolution mass spectrometer at the USGS Eastern Ecological Science Center. Any display of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
USGS scientists collecting soil and worms at a site on Cape Cod, Mass.
USGS scientists Gregory D'Agostino and Katherine Wares collecting soil and worms at a site on Cape Cod, Massachusetts, that was contaminated by PFAS from fire-fighting foam.
Invertebrates being collected at a site on Cape Cod, Massachusetts
Invertebrate being collected at a site on Cape Cod, Massachusetts, that was contaminated by PFAS from fire-fighting foam used at the site.
Scientist installing a nest box near Ashumet Pond, Cape Cod, Mass.
Scientist istalling a swallow nest box near Ashumet Pond, Cape Cod Massachusetts as part of a study on the fate and effects of PFAS chemicals.
Scientist holding a fish collected from the Upper Colorado River basin
U.S. Geological Survey scientists holding a Colorado pikeminnow during a sampling trip in the Upper Colorado River Basin.
Lake bottom sediment collection from Ashumet Pond, Cape Cod, Mass.
USGS scientists Jason Sorenson and Andrea Tokranov (out of the image) collecting lake-bottom sediments from Ashumet Pond on Cape Cod, Massachusetts for use in laboratory experiments on the fate of PFAS at groundwater/surface-water boundaries. The sediments are collected by pushing a tube into the lake bottom and transferring the sediment and pore water into glass jars
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Nippon mercury analyzer for sediments and fish
Nippon mercury analyzer for sediments and fish.
MC-ICP-MS used for mercury stable isotope analyses
MC-ICP-MS used for mercury stable isotope analyses.
Graduate student performing mercury uptake studies in plankton
Graduate student, Grace Armstrong, performing mercury uptake studies in plankton at Mercury Research Laboratory, Middleton, Wisconsin.
Melanistic and normal areas of fish skin
Microscopic appearance of normal and melanistic skin in fish from Chesapeake Bay watershed.
