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Subject Water quality management Remove constraint Subject: Water quality management

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    • 1949

    Advertisement for "RADA," or rosin-amine-D-acetate, a water soluble chemical manufactured by the Hercules Powder Company for use as a corrosion inhibitor and to control bacteria in water flooding systems, among other…

    • 1979

    This recorder was used with Beckman's Microtox Acute Water Toxicity Monitor.