


Lead in Northern Appalachian Groundwater
Research Summary Lead in Flint Michigan drinking water has been in the headlines nearly every day increasing public awareness of lead in drinking water. Years before Flint made headlines, IES Senior Scientist, Don Siegel, started evaluating the natural chemistry...
Inducing Methane By Pumping Water Wells
Inducing methane release by pumping should be taken into account when regulators consider increased concentrations of methane in drinking water might be related to gas well development.

Research Summary: Organic Contaminants in Portland Cement
USEPA uses glycol is an indicator of hydraulic fracturing chemical migration. Recent research has shown that glycol is present in portland cement and that it leaches from the cement at concentrations in the thousands of parts per billion. Therefore glycol alone shouldn’t be used to demonstrate hydraulic fracturing contamination in aquifers.