The amount of waste from the shale gas and oil drilling process injected into disposal wells in Ohio is continuing to rise.
The Ohio Department of Natural Resources says that 14.2 million barrels of fluids and other waste from the process of hydraulic fracturing - or fracking - were injected into disposal wells in the state in 2012. That was up 12 percent from the previous year.
An important study on possible health impacts of natural gas drilling is still looking for additional funding.
Geisinger Health System spokeswoman Amanda O'Rourke said Wednesday the $1 million grant that was announced in February 2012 remains the only funding for a project that was projected to cost at least $25 million.
Geisinger plans to look at health histories of hundreds of thousands of patients who live near Marcellus Shale gas wells in Pennsylvania. Geisinger is based in Danville.
Officials say drilling in Ohio's Utica shale region nearly doubled the output of oil and natural gas there since 2011.
The Ohio Department of Natural Resources announced Thursday that the drilling process known as hydraulic fracturing, or fracking, in the shale region of eastern Ohio increased the oil output by 93 percent and the natural gas output by 80 percent in that time.