Donald P. Storwold Jr., U.S. Army, Dugway Proving Ground, UT; and E. P. Argenta Jr., J. M. White, J. C. Pace, and S. B. Fox present the results of their DHS release study. The presentation (w/ voice over and video) is OUTSTANDING! Every user of Anhydrous Ammonia and Chlorine should be required to view this presentation… as it is a MAJOR eye-opener.