Rawnoc is correct. It is typical for a company to get third-party independent analysis done and those are exactly the words they use. I also think it is required for some companies by the SEC for large investments. Last year I worked in a large resources company and managed several third-party engineering efforts. it is required, and large enginering firms make a living off of doing this.
This document looks like it contains the most meat that I have seen so far on the commercial viability of JBI's p2o process. I don't know what it means yet, but it looks legitimate, and I will definitely have a closer look at it on the weekend. An "order-of magnitude" estimate is the highest-level estimate that can be done according to AACE standards.It is accurate to something like +40/-50 %.