1. Environmental Engineer, U.S. Army Research and Development Center, 3909 Halls Ferry Rd., Vicksburg, MS 39180-6199 (corresponding author). E-mail: scott.a.waisner@erdc.usace.army.mil
2. Environmental Engineer, U.S. Army Engineer Research and Development Center, 3909 Halls Ferry Rd., Vicksburg, MS 39180-6199. E-mail: victor.f.medina@erdc.usace.army.mil
3. Environmental Chemist, U.S. Army Engineer Research and Development Center, 3909 Halls Ferry Rd., Vicksburg, MS 39180-6199. E-mail: agnes.b.morrow@erdc.usace.army.mil
4. Staff Scientist, Applied Research Associates, Inc., Southern Division, 119 Monument Place, Vicksburg, MS 39180. E-mail: cnestler@ara.com