My emotions ranged from incredulous laughter to excitement to fear, and ended in a bout of escapism. Okay, so these things aren't nearly so cheap as I had imagined. I've also learned quite a lot about Biological and Chemical Warfare. Radiological particulate will also be stopped by a HEPA or P100 filter. Change filter when it gets hard to breathe.
Ozone neutralizes bological contaminants.
Also UV light. A lethal dose of anthrax results from inhaling 10,000-20,000 spores. To the waters and the wild With a faery, hand in hand, For the world s more full of weeping than you can understand. For a laugh 2000 Uses of Peanut Butter . I haven't called Mum and Dad in over 2 weeks.