?eprocessing, and the value of any high enriched" uranium separated. fTom that spent fuel- was used as a credit on purchases of future fuel reloads. Since ]975, however, the United States Goverr:ment has refused to authorize shipments of fuel-, and in 1976 it required cancellation of pre-existing contracts and the reflrnd of Scuth African deposits. Underlying that United States decision has been its obJection to South Africa's rmwillingness to sign the non-pro1iI'eration Treaty. )+5/ Because of this teruination of United States fuel- supplies, the Atonic Energy Boarrl has been !/ Affroxirnately loo tons SWU/year \ri1a lrovide fuet for a l-,OOo l4we nucaear Dower rl-ant . \2/ t'South Africa Disrnj.sses Reports of A-Test", Washington Post, 27 October 1979; and rrsouth Africa's Pilot Xnrichment P1ant", Washington Post, \3/ "Soutn Africa Ready to Accept IA-EA Safeguards on Conmercial Enrichment P l onl-'r Ih,.laqr Fnoinperino Trl-evnetinnql August f9??. 50-53, 62; and Uervenka and Rogers, !)+/ Nevbv-Fraser. chain Feaction, pp. r']'t a Nrrr.iAAp Aviq nn. 16,0-163. )+5/ Nevby-Fraser, Chain Reaction, p. 55; "U.S. Cancels Uranirm Delivery ContriJt with South arriiEl-Fin.""i"r Times (iondon), 5 Novenber 19?6; and "South Africans Reported Ready for tt@, 2p Jrme 1978.'j i'' !t a /3i/\oP English Annex fal1e J"4 force(l to xeduce markedly the operating power of th reactol ard the n\:mber of daysi.t operates in order to stretch the existing fuel-. Tn the absence of replacementfuel, it may become necessary to shut dovn SAFARf before too long. l+5/ 23. The SAI'ARI-I- reaetor ltas been covered by TAEA safeguards since 196T inaccordance r,rith a safeguard s /trans fer agreernent betveen the IAEA, the united states,and south arrica. !7 Three to four inspections are performeal by rAEA. personnel
**Analysis**
The text appears to be discussing the nuclear energy industry and the controversy surrounding South Africa's nuclear program. It mentions the processing of uranium, fuel reloads, and the termination of US fuel supplies due to objections to South Africa's refusal to sign the non-proliferation treaty. The text also mentions the South African reactor, SAFARI-1, and its operation under IAEA safeguards. Given the technical and political nature of the content, it is likely that the text falls under the categories related to science and technology or international relations.

**Category**
Science and technology, International trade