The U.S. Army's Camp Ono existed from 1942 to 1947 in Southern California. It was used for housing Italian Prisoners of War[1] and was later converted to a truck and munitions cleaning site. Several of the solvents used in the cleaning process were later discovered to be toxic.[2] and the contaminated site is now part of the Newmark Ground Water Contamination Superfund site.
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The original article can be found at Camp Ono and the edit history here.