— 358 FIGURE 7-26. BOKEN AFTER CLEANUP. Boken soil cleanup operations were extremely difficult because of limited boat access, remoteness from base camps, and last-minute discovery of additional subsurface contamination. The secondsoil cleanup operation at Boken removed 1,540 cubic yards of soil. A total of 4,937 cubic yards containing an estimated 1.0! curies of transuranics was removedfrom the island.32 Enough transuranics were removed to qualify the island for agriculture use, significantly better than the food-gathering use requested by the dri-Enewetak. The final DOE-ERSP certification indicated that the surface condition was less than 73 pCi/g averaged over one-half hectare, and the subsurface condition was less than 160 pCi/g averaged over one-sixteenth hectare. AOMON CRYPT PROJECT The EIS required removal of plutonium from three burial crypts on Aomon. Two of these were subsequently identified as concrete blocks containing contaminated debris. These were removed as described in Chapter S. The third, which came to be known as the Aomon Crypt,wasin an area on the lagoon side of the causeway between Aomon and Bijire where contaminated soil and debris had been dumpedin tidal pond and covered with clean soil (Figure 7-27). teen