We must also ensure that oil and natural gas drilling, including hydraulic fracturing, meet the highest safety standards to protect underground sources of drinking water from potential contamination. (scientificamerican.com)
Malin and his team believe that some form of water, be it briny, acidic or slushy, may be bursting out from underground sources at the gullies and leaving the tell - tale signs. (space.com)
A lifelong advocate for our coast, Williams championed required testing of groundwater before, during, and after hydraulic fracturing, which was included in California's regulations on fracking, and authored legislation to expand groundwater monitoring to other types of injection wells to protect underground sources of drinking water from oil and gas wastewater disposal. (bren.ucsb.edu)