The diesel fumes that are causing health impacts to workers and residents are coming from the “diesel blanket” that is injected into the salt dome to prevent leaching. Yeah, that’s right folks, another example of Legal but Stupid.
I’m just going to go out on a limb here to say that diesel should never be allowed on, in or near the ground. If you can’t figure out a better way than injecting diesel into the earth, —–>
Here is an explanation:
The diesel odor and residual diesel material is coming from the diesel blanket from the Texas Brine cavern that was plugged in 2011.
When you construct and operate a salt solution mining cavern, you inject diesel to serve as a blanket. It protects the upper portion of the leaching cavern from degradation in the area where the casing extends from the ceiling of the cavern. When the cavern is no longer used, it remains filled with brine for stability and the diesel blanket continues to float at the top of the cavern.
Natural gas was stored in a caverns on either side of the cavern that is collapsing. Because there is porosity in the materials making up this dome, migration is possible and or likely.
I will have more information from this source tomorrow.
Sorry, I forgot this part:
The bubbling is not from the diesel. The bubbles were tested and they were methane bubbles. Some sources are saying the methane is naturally occurring but… Stay tuned.