Harold W. Provost died attempting to save Keith J. McLean from suffocation, Rochester, New York, April 24, 1972. At an industrial plant, McLean, 34, was in a steel cylinder three feet in diameter and 12 feet deep when he was overcome by lack of oxygen caused by the presence of argon. Provost, 25, heat treater, was attracted when another workman called for someone to help McLean. After looking into the cylinder, Provost started down a ladder which McLean had placed in it. Provost was overcome and fell on top of McLean. Air hoses were put into the cylinder; and workmen using safety straps removed McLean and Provost. McLean recovered; but Provost could not be revived.
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