[snip]...On first blush, I simply could not believe Mr. Milloy. Then I looked carefully at the facts and at the law. This case involves the intentional exposure of human subjects to “fine particulate” matter, also known as PM2.5. EPA obtained their PM2.5 from a diesel truck. It is difficult to overstate the atrocity of this research. EPA parked a truck’s exhaust pipe directly beneath an intake pipe on the side of a building. The exhaust was sucked into the pipe, mixed with some additional air and then piped directly into the lungs of the human subjects. EPA actually has pictures...