Document DGNkzZ0d1O8MRoevrv75kV8gN

July 8, 1943 Dr * 0 B Bo'*eo Diractor of Research C-vens-Illinois Glass Conpany Toledo, Ohio Dear Dr# Bowes: i of the ^th# Thanh you very much for your letter - Y/e are acquainted -with the fact that chrysotile gels on treatment with v/ater but as far as we have been able to determine, at least partial gelation does not affect its capacity to irritate tissues# ' Ve have injected it in suspensions of physiological salt solution and found that it would produce as nueh as or more fibrosis of the lungs as when inhaled as dry dust# I would be very pleased indeed if your research personnel could furnish us with any data on the gelation characteristics of chrysotile which they have developed* Very truly yours. LEG:BEE Leroy U. Gardner, ft. D. Director