In early 1977, the Department of Energy contracted with Eberline Instrument Corporation to develop and operate a field radiation laboratory on Enewetak. The laboratory provided radiological support to the Joint Task Group with the Defense Department, responsible for remediation of the Pacific Proving Ground. By late June 1979 most of the field work was nearing completion; personnel were released accordingly. By the end of September, the work was complete, the RADLAB was deactivated, back shipping of high value equipment and supplies was arranged, and the last of the Eberline personnel withdrew from Enewetak.
States conducted one hundred and two tests in
its Pacific Proving Grounds between 1946 and
1962. The United States conducted 23 nuclear
weapons tests at Bikini Atoll (1946 and
1954-1958), 43 tests at Enewetak Atoll (1948 and
1951-1958), 12 tests at Johnston Island (1958
and 1962), and 24 tests at Christmas Island
* The Pacific Proving Grounds included Bikini Atoll, Enewetak Atoll, Johnston Island (nuclear weapons testing activities only), and Christmas Island (U. S. nuclear weapons testing activities only).