https://www.delmarvapublicmedia.org/tags/chemical-sheen chemical sheen en-US Copyright Wed, 28 Aug 2013 15:47:53 GMT https://www.delmarvapublicmedia.org/local-news/2013-08-28/pbf-energy-cleaning-up-chemical-sheen-on-delaware-river DOVER, Del. (AP) - Officials at the Delaware City refinery are trying to determine the source of a chemical release that left a sheen on the Delaware… Wed, 28 Aug 2013 15:47:53 GMT https://www.delmarvapublicmedia.org/local-news/2013-08-28/pbf-energy-cleaning-up-chemical-sheen-on-delaware-river Don Rush