Document 6BM5Y9akrL4EOpmLyqOBdGGgm

NATIONAL RESEARCH COUNCIL NATIONAL ACADEMY OF SCIENCES NATIONAL ACADEMY OF ENGINEERING COMMITTEE ON HAZARDOUS MATERIALS 29 April 1974 telephone: aoa 961*1579 CABLE ADDRESS: N All ECO, WASHINGTON, D. C. Dr. Zeb Bell P.P.G. Industries 1 Gateway Center Pittsburgh, PA 15222 Dear Dr. Bell: This is to confirm the telephone conversation we had Friday in which we discussed your participation in the American Chemical Society ad hoc review of vinyl chloride standards scheduled May 21, 1974 in Washington, DC. So you will have the same background as the other invited conferees, I am sending you the original letter to them as well as the attachments from Dr. Quigley which prompted our action. "By copy of this letter, I am thanking Mr. Siedlecki for his kindness in "volunteering" your services and also informing Dr. Brum, the chairman, that you will be present as a representative of the A.I.H.A. Meanwhile we are looking forward to meeting you at the meeting in New York, May 10 and 11. Sincerely yours HHF:rj cc: Mr. J. T. Siedlecki Dr. V. C. Brum Enclosures H. H. FAWCETT Technical Secretary MAY 21974 6ENC 009505