Document 850GnKBoXoKMvK5Q1x69MLZJk

r2- - Pre-employment and periodic physical examinations of workers an desirable. These should Include chesc X-rays Co Insure chac Che worker has no chest condition prior co work with asbestos and ca determine chac no lung changes arc resulting from work with ssbescos. It Is believed chac the addition of asbestos ac Che proposed levels during Che manufacture of paper products would be harmless Co the consumer. Tocal dusting would havt to be wall in excess of sny levels acceptable to Che consumer for Che asbestos concentration to approach the Threshold Limit Value. In conclusion, while asbestos dust In excess of the Threshold Limit Value Is potentially harmful, as are many other dusts, encountered In industry, it is as readily controlled as ocher such dusts and it caa be used safely wlch appropriate precauciona. Carl U. Dernehl, M. 0. Oireccor of Toxicology K. S. Una. M. D. Assistant Director of Toxicology 403 15':. UCASB00114865