Document qKjOqLrNYNxMGvn147ZJ6K1E

U.S. Department of Labor Occupational Safety and Health Administration 1425 W. Pioneer Drive, Suite 230 Irving, Texas 75061-7181 214/259-6683 Reply to the Attention or Metro. 251-1786 July 19, 1985 Mr. Charles Kuenemann Safety and Security Manager Tyler Pipe P. 0. Box 2027 Tyler, Texas 75710 Dear Mr. Kuenemann: A summary of employee exposure results from samples collected for airborne silica (Quardz) on May 15 and May 21, 1985, follows in accordance with your request of June 24, 1985: JOB TITLE PERMISSIBLE EXPOSURE ______________________________________ LEVEL 3-HOUR TIME-WEIGHTED AVERAGE Location: "234" Molding Line - May 15, 1985 Slinger Operator Muller Operator Slinger Operator 0.769 mg per cubic meters 2.44 mg per cubic meters Non- -detected 0.746. mg per cubic meters 1.57 mg per cubic meters Location: "456" Molding Line - May 21, 1985 Slinger Operator Core Setter Muller Operator 0.315 mg per cubic meters 0.705 mg per cubic meters 0.634 mg per cubic meters 1.266 mg per cubic meters Non detected Thank you for your continued interest in employee safety and health. Sincerely, JAMES T. KNORPP Area Director Dallas Area Office