Document b523byaRmwbJdL6yQ7BVN72d6

March 5, 1973 Mrs. Joan Lynd Office Manager r'orth American nefractorios box 635 Ironton, Chio 45638 Dear Mrs. Lynd; Thank you for the courtesy extended ce during ~y visit to your plant on February 22, 1973* Mncioaed la a copy of a letter to the Legal Section of The Ind ustrial Commission of Ohio regarding O.D. 9743-22, Mr. Charles Dicker. This copy is for your inforration and file. If thl3 Division can bo of assistance to your company at any tine on industrial hygiene or engineering problems mint in to safety, please let tin loiow. Very truly yours, Joseph H. Paeee, P.E. Industrial Hygiene Engineer