2012 June 13
Coastal waters of Louisiana
Gulf of Mexico
Here is the official summary of the U.S. Coast Guard's investigation into inquiries about foam seen in the waters off Venice, LA following a planned dispersant spraying exercise by MSRC (Marine Spill Response Corportation) out of Kiln, MS at Stennis Airport (KHSA). MSRC planned and claims to have used water as a mock dispersant for this exercise, scheduled for and carried out on June 13, 2012. The original plan submitted by MSRC to the USCG can be downloaded asa pdf file here, under this website's main menu item "Flight Tracks" and titled "20120613-USCG Investigation of MSRC Dispersant Spraying Exercise."
Here is the official letter from the USCG to Billy Nungesser, President of Plaquemines Parish, who requested the investigation.
Thanks to the USCG for sharing this with us!Read the letter, attachments, and more about this investigation and spraying exercise here.