CLICK PHOTOS FOR AN ENLARGED VERSION
|
USGS scientist performing a routine calibration of an instrument
used to collect air samples to be analyzed for volatile organic compounds
|
Discharge point of an MTBE plume at Laurel Bay Site, SC, where active biodegradation of MTBE was taking place
|
Method monitoring wells used to measure vertical ground-water flow at the Laurel Bay Site, SC
|
Using tree cores to delineate the gasoline-contaminated ground-water plumes at the Laurel Bay Site, SC
|
Closeup of a core from a tree sample to monitor volatile organic compounds in the subsurface at Laurel Bay Site, SC
|
USGS scientists collecting water samples for analysis of natural-attenuation parameters at the Galloway Site, NJ
|
Vapor sampling using a peristaltic pump and gas-tight syringe at the Galloway Site, NJ
|
Unsaturated-zone well showing 1/4" stainless steel vapor probes at the Galloway Site, NJ
|
Excavated leaking underground storage tank (UST) from the Galloway Site, NJ
|
Column experiments quantifying biodegradation of hydrocarbons in the unsaturated zone from the Galloway Site, NJ
|
|
|