Designed for Environmental Science Classes Time - 1-2 45-minute class periods Link to Lab 1 (Qualitative Lab) student page This is the Qualitative Groundwater Lab. Students will observe videos of the ...

Add Yahoo as a preferred source to see more of our stories on Google. Nov. 1—As the U.S. Army continues determining how best to clean up groundwater contamination caused by a former biowarfare test ...

How much fresh water is in the United States? It's a tough question, since most of the water is underground, accessible at varying depths. In previous decades, it's been answered indirectly from data ...

Approximately 71 to 95 million people in the Lower 48 states -- more than 20% of the country's population -- may rely on groundwater that contains detectable concentrations of per- and polyfluoroalkyl ...

Even though groundwater only makes up an estimated 0.61% of the water on Earth, it accounts for 98% of the available freshwater (Fetter, 1999). In many parts of the world (including southwestern North ...