Corrections and Clarifications


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Science  09 Aug 1985:
Vol. 229, Issue 4713, pp. 512
DOI: 10.1126/science.229.4713.512-e


In the article by Eliot Marshall about selenium in the San Joaquin Valley (News and Comment, 12 July, p. 144), it was reported that the U.S. Geological Survey found 4700 parts per million of selenium in one water sample. The correct figure should have been 4700 parts per billion.