Document 6RKeomX4KBqLNJx2p52jRJ383

P.O. Box 2027 Tyler, Texas 75710. Tel: 2M/882-55H Tyler Pipe Subsidiary of Tyler Corporation January 15, 1986 Mr. J. T. Knorpp Area Director Dallas Area Office - OSHA 1425 W. Pioneer Drive, Suite 230 Irving, TX 75061-7181 Dear Mr. Knorpp: Our progress is moving along according to the compliance schedule. Our preliminary test on the 2-3-4 sand slinger machine looks good. We are still making adjustments, hopefully making the system more effective. The work on the 4-5-6 sand slinger machine is on schedule and we hope to take our first samples in the next couple of weeks, production schedule permitting. We continue to require respiratory protection in these areas to ensure, that our employees are protected. If there is any additional information needed, please feel free to contact us. Sincerely, TYLER PIPE INDUSTRIES, INC. Charles Kuenemann Safety and Security Manager CK:dir