Further, I am getting my trade secrets argument from the industry itself. Have you watched Gasland (1 and 2)? They show the industry reps testifying in front of congress. Listen to what they say, it runs in opposition to some of what you are saying here.In certain cases, a small percentage of constituents may be protected under existing agreements with suppliers and customers. In these situations, CAS numbers are not listed – but the constituent's listing as hazardous on the MSDS is, as well as other common uses when identified.
Since we know that casements leak and that fracking operations take place while parallel drilling is occurring, it doesn't take a scientist to understand that the fracking fluids and methane can and does enter ground water layers while this is happening.