There’s been another acci­dent at a north­east­ern Penn­syl­va­nia drilling site: 4,700 gal­lons of hydrochlo­ric acid spilled at a Leroy Town­ship, Brad­ford County drilling site on Wednesday. http://stateimpact.npr.org/pennsylvania/2012/07/05/4700-gallons-of-acid-spill-at-bradford-county-drilling-site/