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Characteristics and Treatment Alternatives for Refinery Wastewater
Author: Thomas J. Mulligan, Richard P. Sheridan, James P. Watkins
Date: 9/174
Presented at the 168th American Chemical Society National Meeting, Atlantic City, New Jersey, Division of Petroleum Chemistry, September 13, 1974

The characteristics of wastewaters emanating from refineries can be quite variable not only at a specific plant, but from plant-to-plant within the industry. This variability is due in large part to the different types of production operation at specific refineries. In December 1973, the EPA issued proposed effluent guidelines for refineries according to six specific categories (A-F). The categories were formed in relation to the "process technology employed and the waste severity from the operations" at the refinery.