US Coast Guard en Coast Guard To Invesigate Oil Sheen Near BP Spill Site <p>The Coast Guard has approved plans to investigate another oil sheen spotted near the site of BP's 2010 Deepwater Horizon disaster. The sheen was initially spotted on Nov. 2 in the same area where a discarded steel container leaking oil had been capped and plugged the week before.</p><p> Fri, 30 Nov 2012 19:32:09 +0000 Ashley Westerman 2973 at