2TE) Project 19.2 = BATS - Lew Allen, Jr. The purpose of the experiment was to investigate certain feature of the proposal kmowns as BATS which had been described in Los Alamos T-Division Report, T-793. Minespneres vere nmg fron booma at the 250 ft. level of the wat. tower. These spheres consisted of a graphite layer, 2 é. in outer diameter which enclosed a steel ball, 8 inches in outer diameter, at the center of which was a sphere consiating of a sample of the blanket material 2 inches in diameter. The sample consistei of g-aphite containing 1° in amount equivalent to about Lic $00° In addition p35 was added in eonces- tration vhich varied from sample to semple such that the most coscentrate! sample contained 0235 in amount equivalent to about 200° It was expected that the steel spheres could be recovered after the shot whereupon an analysis of the sample it contained vould re veal waluable information regarding the production of tritium under the conditions of high neutron flux, low tritium cencentration, and the high temperature cause’ by energy released from the 7735 in the sample, shot, An initial recovery attempt vas made one month after the Due to the high radiation levels still present only one sphere was recoveres, this one was returned to los Alamos for disasserbtly end analysis. It is anticipated that the remaining spheres can be Pecovere’ on about plus two months, Le coPY SL &