It is located on a desk in the first room on the left upon entering Blackwater Mine.
Foreman Hibbs: If you're hearing this, then, welcome aboard and all that. I'm sure the Human Resources folks have gotten you situated, but there's one thing I need to make sure we've drilled into ya, so you're gonna get it again.
Blackwater Mine is a government Uranium site. That means you're a federal employee, now. And all those background checks and security interviews you went through wasn't just for fun. Every yield we fail to bring up is a national security problem. One less missile gets made. One less power plant gets fuel.
Department of Energy isn't messing around. I'm not messing around. So stop listening to this and get back to work. Let's dig up some shiny rocks and hope they don't make us sterile.