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Vol. 1 is "a collection of papers presented before the Division of Water and Waste Chemistry at the 137th national meeting of the American Chemical Society, Cleveland, Ohio, April 1960."
Vol. 2 is "Based on symposia sponsored by the Division of Water and Waste Chemistry at the 139th and 141st Meetings of the American Chemical Society March 27, 1961 and March 27-8, 1962."
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