All Images
News Release 14-140
New tracers can identify frack fluids in the environment
Scientists develop new geochemical tracers, tested at sites in West Virginia and Pennsylvania
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.
![an unconventional shale gas drilling site in West Virginia.](/news/mmg/media/images/IMG_0362_drilling site_f.jpg)
An image showing an unconventional shale gas drilling site in West Virginia.
Credit: Avner Vengosh
Download the high-resolution JPG version of the image. (980.4 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![Acid mine drainage flowing through a stream in western Pennsylvania forest.](/news/mmg/media/images/AMD picture_f.jpg)
Acid mine drainage flows through a stream in western Pennsylvania.
Credit: Nathaniel Warner
Download the high-resolution JPG version of the image. (2.3 MB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![Photo of unconventional shale gas well site northeastern Pennsylvania.](/news/mmg/media/images/IMG_9313_well PA_f.jpg)
An unconventional shale gas well in northeastern Pennsylvania.
Credit: Avner Vengosh
Download the high-resolution JPG version of the image. (2.0 MB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![An unconventional shale gas well in West Virginia.](/news/mmg/media/images/IMG_1594_well in WV_f.jpg)
An unconventional shale gas well in West Virginia.
Credit: Avner Vengosh
Download the high-resolution JPG version of the image. (2.6 MB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![Wastewater tanks at a spill site in West Virginia.](/news/mmg/media/images/IMG_1588_spill site_WV_f.jpg)
Wastewater tanks at a spill site in West Virginia.
Credit: Avner Vengosh
Download the high-resolution JPG version of the image. (2.0 MB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.
![A disposal site in western Pennsylvania. showing a stream, a forest and two people](/news/mmg/media/images/IMG_2792_disposal site_f.jpg)
A disposal site in western Pennsylvania.
Credit: Nathaniel Warner
Download the high-resolution JPG version of the image. (6.6 MB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.