On September 8, 2012, DEQ sampled the sludge material floating on the surface of the sink hole. The material consisted of 48.1 % Diesel Range Organics and 15% Oil Range Organics.
Read more details about air testing in the bubbling area, sludge testing and an explanation of the NORM at the LEAN website.
A new report issued Thursday indicates that sludge material floating atop the surface of the Assumption Parish sinkhole is hazardous and possibly in the flammable range, according to award-winning rights advocate and environmental scientist Dr. Wilma Subra, sober news as a Pemex gas blast in Mexico on Tuesday killed thirty.
Of great concern among sinkhole area locals are the possibilities of an explosion and an uncontrollable fire from the methane gas and other hydrocarbons in the area, on the bayous, in-home and at the sinkhole site.