Final Report – Remedial Investigation Report Addendum- for Group 2 Sites Remedial Investigation Report, Site 49 at the Longhom Army Ammunition Plant (LHAAP), Kamack, Texas Final Project Plans – Project Plans, including Work Plan, Health & Safety Plan, Sampling and Analysis Plan, for the Plant-Wide Perchlorate Investigation at the Longhom Army Ammunition Plant (LHAAP), Kamack, Texas