ations ▁in ▁matters ▁falling ▁within ▁these ▁spher es . ▁A part ▁from ▁its ▁main ▁operations ▁at ▁Pel ind aba , ▁N ec sa ▁also ▁oper ates ▁the ▁Va al put s ▁radio active ▁waste ▁dispos al ▁facility . ▁The ▁Corporation ▁also ▁serves ▁the ▁State ' s ▁other ▁nuclear ▁institution al ▁oblig ations . ▁The ▁chief ▁executive ▁officer ▁of ▁N ec sa ▁is ▁Mr . ▁Ph um z ile ▁T sh el ane ▁since ▁ 1 ▁September ▁ 2 0 1 2 . ▁ ▁N ec sa ▁is ▁organisation ally ▁divided ▁into ▁a ▁commercial ▁group , ▁Pel ind aba ▁Technology ▁( PT ), ▁which ▁conduct s ▁business ▁in ▁a ▁variety ▁of ▁products ▁and ▁mark ets ▁and ▁another ▁group , ▁Pel ind aba ▁N uc lear ▁Institute ▁( P NI ), ▁which ▁is ▁concerned ▁with ▁stat ut ory ▁functions , ▁R & D , ▁support ▁and ▁facility ▁operations . ▁ ▁Pel ind aba ▁Technology ▁( PT ) ▁is ▁a ▁port folio ▁of ▁business es ▁of ▁which ▁N uc lear ▁Technology ▁Product s ▁( N TP ) ▁is ▁a ▁division ▁and ▁serves ▁the ▁international ▁mark ets ▁for ▁radiation - based ▁technology ▁and ▁products . ▁Also , ▁the ▁U ran ium ▁En rich ment ▁Corporation ▁of ▁South ▁Africa , ▁Ltd . ▁( UC OR ) ▁which ▁operated ▁a ▁facility ▁at ▁Val ind aba ▁( known ▁as ▁the ▁' Y ' ▁plant ) ▁to ▁produce ▁HE U . ▁ ▁N ec sa ▁emp lo ys ▁some ▁ 1 , 4 0 0 ▁people ▁in ▁diverse ▁areas ▁such ▁as