Debris Cleanup 24] surface contamination resulted from fallout from nearbytests. Vegetation, consisting of brush interspersed with patches of heavy grass, was denser and taller on the west side. Hazardousdebris included a derelict landing craft, reinforced concrete structures, a plywood shack, and miscellaneous scrap. There were an estimated 10 cubic yards of contaminated debris and 436 cubic yards of noncontaminated debris to be removed, and [4 Master Index items, of which 9 were planned for removal. Planned use for Bokoluo was food gathering.34 Debris survey by the FRST was conducted from 24 January through 10 February 1978. The majority of the debris bore no significant contamination and was markedfor lagoon disposal. Cleanup began on 10 February 1978.35 Several concrete structures were removed by explosive demolition in March 1978,36 and debris removal was completed on 14 June 1978.37 There were 1,575 cubic yards of noncontaminated debris and nine Master Index items removed.38 BOKOMBAKO (BELLE) ISLAND CLEANUP Bokombako contains 31 acres and was the site of a few scientific test stations used in Operation Greenhouse. [t never served as an event site. Vegetation generally was quite dense, but thinned out toward the northeast end of the island. Only a small amount of debris was found, including a cased well and a grade beam from signal terminal station. There were an estimated 6 cubic yards of noncontaminated debris to be removed and nine Master Index items. No contaminated debris was found. The planned use for Bokombakowasfood gathering.3? Debris cleanup began on $5 March 1978 and was completed on 9 June 1978. Twenty-eight cubic yards of noncontaminated debris were removed.49 MIJIKADREK (KATE) ISLAND CLEANUP Mijikadrek has an area of 16 acres and was used extensively during Operation Greenhouse for photographic coverage andfor structural effects testing. There were no ground zeroeson the island and no known burial : : sites. Vegetation ranged from moderately dense in the south to dense in the central and extreme northern portions. Debris included a considerable amount of brick and concrete rubble, several concrete slabs and structures, and miscellaneous metal scrap. There were an estimated 1,049 cubic yards of debris to be removed, all noncontaminated, and 28 Master Index items. The planned use for Mijikadrek was food gathering.*!