It's not like it isn't used by the tens of thousands of gallons. How difficult would it be to get some to analyze?

That aside, there must be any number of regulatory systems that manage to take into account and protect proprietary information. Sure, the formula for Coca Cola is a secret, but hasn't the product itself had to meet certain FDA requirements anyway? Isn't this true for many products?

If you're pumping large amounts of a substance into the general environment, even deep underground, that comes under a category where even I believe reasonable regulations are a good idea. There ought to be a rational way to check for chemical hazard without releasing formulas to the general public.

And what about alternative formulas?

It's hard to pick out real information on this subject from that produced either by oil company apologists or environmentalists determined to obliterate the industry.

I don't know about earthquakes. The Texas drilling was at the 5,000 to 7,000 foot level. If you look at the most recent Cleburne earthquake, it took place at a depth of 3.1 miles.

Any reporter could have looked that up.