Document 2R72a9BgD9nxzppva0yGDrRO5

AMERICAN SOCIETY f o r TESTING a n d MATERIALS COMMITTEE D-22 ON METHODS OF ATMOSPHERIC SAMPLING AND ANALYSIS i Organized in 1951 CHAIRMAN: P. M. G1EVER, INSTITUTE OF INDUSTRIAL HEALTH. ROOM 1620. SCHOOL OF PUBLIC HEALTH. UNIVERSITY OF MICHIGAN. ANN ARBOR, MICH. 49104 VICE-CHAIRMAN: B. T. H. LEVADIE. DIVISION OF INDUSTRIAL HYGIENE. STATE OF VERMONT DEPARTMENT OF HEALTH, BOX 333, BARRE, VT. 0S641 SECRETARY: S. F. ETRIS, ASTM, 1916 RACE ST.. PHILADELPHIA. PA. 19103 Address reply to --> industrial Hygiene Division P.O. Box 607 Barre, Vt. October 18, 1967 Dr. Robert A. Kehoe Kettering Laboratory University of Cincinnati College of Medicine Eden and Bethesda Aves. Cincinnati, Ohio 45219 Dear Dr. Kehoe: Your early reply to my letter is much appreciated. [ hope that 2 37 will not be hasty in its action and Intend to continue encouraging a cautious position on this limit. Cordially BUI mb N1393I