so last year as you know congressman henchy and i requested the e pa to do a study to determine the potential impacts of hydraulic fracturing on drinking water. now due to the extent and complexity of these studies, the epa established quality assurance plans to ensure the validity of the data; is that correct. >> that's correct. >> the study is currently under way with report of plmry findings due at this year and another in 2014; is that correct. >> correct. >> under your new budget request, the current study will be expanded to address the broader environmental impact of hydraulic fracturing, including ecological, to minimize any negative impacts not just the chemical component of the fracking fluid; is that right? >> there may be additional studies. >> and you need to do that -- >> air quality, water quality, ecosystem impacts are of concern. >> now, can you comment briefly on the scientific review process for the extended effort that you're talking about, administrator jackson? >> obviously we'd be scoping it and it's contingent on getting the money in the budget. we'd work with the depa