▁began ▁at ▁the ▁Rep lacement ▁T rit ium ▁Fac ility ▁and ▁the ▁Def ense ▁W aste ▁Process ing ▁Fac ility ▁( D W PF ). ▁K ▁Re actor ▁was ▁placed ▁in ▁cold ▁stand by ▁condition ▁in ▁ 1 9 9 3 . ▁Non - radio active ▁test ▁runs ▁of ▁the ▁Def ense ▁W aste ▁Process ing ▁Fac ility ▁began . ▁Const ruction ▁began ▁on ▁the ▁Cons olid ated ▁Inc iner ation ▁Fac ility . ▁T rit ium ▁introduced ▁into ▁the ▁Rep lacement ▁T rit ium ▁Fac ility ▁and ▁radio active ▁operations ▁began . ▁The ▁Work force ▁Trans ition ▁and ▁Community ▁Ass istance ▁was ▁started . ▁ ▁In ▁ 1 9 9 4 , ▁the ▁Sav ann ah ▁River ▁Site ▁Cit iz ens ▁Ad vis ory ▁Board ▁was ▁established . ▁The ▁Rep lacement ▁T rit ium ▁Fac ility ▁saw ▁its ▁startup . ▁In ▁ 1 9 9 6 , ▁D W PF ▁introduced ▁radio active ▁material ▁into ▁the ▁vit r ification ▁process . ▁K ▁Re actor ▁was ▁shut ▁down . ▁F ▁C any on ▁was ▁restart ed ▁and ▁began ▁stabil izing ▁nuclear ▁materials . ▁In ▁ 1 9 9 7 , ▁the ▁first ▁high - level ▁radio active ▁waste ▁t anks ▁were ▁closed , ▁numbers ▁ 1 7 ▁and ▁ 2 0 . ▁The ▁Cold ▁War ▁Historic ▁Pres ervation ▁Program ▁was ▁begun . ▁ ▁In ▁ 2 0 0 0 , ▁the ▁K - Re actor ▁building ▁was ▁converted ▁to ▁the ▁K ▁Area ▁Material s ▁Storage ▁Fac ility . ▁The ▁Sav ann ah ▁River