Document N2qDXk8XJV6rYXyp4EERYkgwb

THE JO H N S H O PK IN S UNIVERSITY SC hO O L o p H y g ie n e a n o public 515 N ORTH W OLPE STREET B A L T IM O R E -- 5. M A R Y L A N D hea l t h DEPARTMENT Of PHVSIOW OSfCAU HYGIENE . J u n e 20, 1949 liobert Hehoe ' K e t t e r i n g L aboratorv Dollege of ...edidne University of Cincinnati Cincinnati 1 9 , ohio Je&r Dr. Hehce: . ' . Thank you g o much for your most comprehensive answer to ray letter regard ing porphyrinuria. This is exactly the >unt, and I hast opinion I had expressed myself based on :r own publications. However, I felt t T should write yoii since I had been nested to do so. 1 cun- s o n y to have iuered you with this but certainly raciste your help. >ia in the case can make no vei * ?e quite inpossible, 5 to absorb enough gasoline to induce Test regards, of the word, this is /e followed a large G inerely you rs, period of years (in d find the slightest i w ---- . Anna K. laetjer, So. i). assistant Professor Physiological Hygiene of lead, in their lied tetraethyl lead 2f any manner in which such, and therefore the hypothetical Dline containing not yl lead per gallon of batteries at service of lead exposure. It in the repair of to lead compounds. is also true that ining Company could ' the other hand, the not necessarily have comments, vliich might to lead, during some uci'j.uu uj. iiiw.o mm.. ~ ... .. .. . legorically. is that tlie occupational factor of handling leaded gasoline should be utterly excluded* I might point out in this regard that there lias never been a case of lead poisoning from the handling of leaded gasoline at service stations in the history of the industry. In my opinion, there never will be. It may be pertinent also to , point out that the absorption of tetraethyl lead,even in significant quantities, has never been known to have any influence on the blood. Stippling lias never been seen in this association, and anemia in relation to absorption does not occur to any measurable degree. We have not studied the porphyrins in this relationship, despite