Contaminant Biology

Multimedia

One-stop collection of videos, photography, and audio. All items in this gallery are considered public domain unless otherwise noted.

Filter Total Items: 341
Colonies of the Bacteria Bacillus Globigii on a Petri Dish
September 22, 2017

Colonies of the Bacteria Bacillus Globigii on a Petri Dish

Scientists optimized existing methods to collect and identify microorganisms including Bacillus anthracis, a pathogenic microorganism, in 4,800 soil samples across the United States, and developed a

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Microscopic video imaging is used for computerized analysis of sperm motility parameters
September 20, 2017

Microscopic video imaging is used for computerized analysis of sperm m

Photomicroscopy and Flow Cytometry Laboratory — Lafayette, Louisiana. Microscopic video imaging is used for computerized analysis of sperm motility parameters

A U.S. Geological Survey (USGS) microbiologist prepares a water sample for enterococci testing
September 13, 2017

A U.S. Geological Survey (USGS) microbiologist prepares a water sample

Michigan Bacteriological Research Laboratory — Lansing, Michigan. A microbiologist preparing a water sample

Dr. Bethany K. Kunz sets up a mobile-mounted dust meter
July 7, 2017

Dr. Bethany K. Kunz Sets up a Mobile-Mounted Dust Meter

Dr. Bethany K. Kunz sets up a mobile-mounted dust meter, which measures concentrations of particulate matter across a range of particle sizes. She and her team use the meter to determine the effectiveness of dust control treatments on roads and estimate human exposure to dust in the inhalable size range.

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Hydrologists doing field work near Farmington, NM
June 20, 2017

Hydrologists doing field work near Farmington, NM

USGS NMWSC Hydrologists Johanna Blake and Jeb Brown attended the 2nd Annual Conference on Environmental Conditions of the Animas and San Juan Watersheds with Emphasis on Gold King Mine and other Mine Waste Issues in Farmington, NM from June 20-21. Johanna and Jeb presented on the USGS long-term monitoring work of continuous monitoring sondes, water quality, and sediment

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Inside a Debris Cage at a Stormwater Outfall
June 19, 2017

One of 21 Stormwater Outfalls Sampled

Inside a debris cage, which is used to prevent pipe blockages, at one of 21 stormwater outfalls that was sampled prior to discharge to streams or stormwater ponds.

A Stormwater Discharge Pond
June 19, 2017

This Pond Receives Stormwater Runoff from a Residential Landscape

A stormwater pond that receives runoff from a residential landscape. U.S. Geological Survey scientists analyzed samples of stormwater runoff collected during 2016 and 2017 at 21 sites for 438 organic chemicals and 62 inorganic elements.

Willow Spring in Hack Canyon in Arizona north of the Grand Canyon
April 19, 2017

Willow Spring in Hack Canyon in Arizona north of the Grand Canyon

Willow Spring in Hack Canyon in Arizona north of the Grand Canyon. A sign next to the spring says Water Not Suitable for Drinking. The spring has elevated levels of uranium and selenium. The elevated uranium level is most likely not associated with breccia-pipe uranium mining in the area.

Iowa River at Iowa City
April 6, 2017

Iowa River at Iowa City

Iowa River at Iowa City

Attribution: Contaminant Biology
Scientist preparing for granular activated carbon experiments
March 28, 2017

Scientist preparing for granular activated carbon experiments

Scientist preparing for granular activated carbon experiments

Attribution: Contaminant Biology
A custom automated pathogen sampler and schematic illustration.
March 13, 2017

A custom automated pathogen sampler and schematic illustration.

A photograph of U.S. Geological Survey (USGS) custom automated pathogen sampler (top) and schematic illustrating the remote-unattended-automated pathogen sampler (bottom). Sample collection proceeds over the course of a runoff-event or low-flow period for up to a maximum of 5 days before a site visit by personnel is needed to collect the samples.

Buras water tank
February 28, 2017

Buras water tank, eye of Hurricane Katrina made its strongest landfall

New Orleans, La., July 29, 2008 -- Buras has become famous as the location where, on August 29, 2005, at 6:10 AM CDT, the eye of Hurricane Katrina, made its strongest landfall. The town's freshing painted water tower stands as a symbol of recovery for the state and the community. Jacinta Quesada/FEMA