Midgley admiits th e le a d comes out of th e exhaust i n form o f i n v i s i b l e d u s t o f le M brom ide, w h ile Dr> B u r r e ll o f th e American Chemical S o c ie ty in p u b lish ed a r t i c l e s , says i t comes out as lead chlorides.

Lead is now being attacked on two bases: (1) possible toxic addition to air contamination, (2) exhaust catalyst poison.

(1) Transportation of Ethyl Fluid (9) The handling of Ethyl Fluid in laboratories (3) The cleaning of gasoline storage tanks which have ever contained leaded gasoline (4) The filling of small containers with'leaded gasoline fOTSAL IMSTEUCTXOIS MICH MUST BE FULLY UNDERSTOOD BY ALL PERSONS ASSOCIATED II AMY WAY WITH THE HANDLING OF ETHYL FLUID A* Ethyl Fluid is poisonous when it gets into the body.

Use of red lead is also ruled out if a welder's torch is used, for poisonous vapors are released under intense heat.

A direct relation ship is documented between blood lead and blood pressure at relatively low blood lead levels in these analy ses.

: vitro by lead.

Kehoe: In the e a rly part o f th is year I mentioned to you a d iscu ssio n th a t had. taken place in the Lead In d u stries A ssociation concerning lead poisoning p u b lic ity .

Per sew or nspaisted work tkc steel should be property cleaned and a coat of 5*W Rd Lead No. >4 applied before applying the superstructure!

Th is subcommittee had planned t o r ep or t on methods fo r both CO and Lead t h i3 y ear .

Per sew or nspaisted work tkc steel should be property cleaned and a coat of 5*W Rd Lead No. >4 applied before applying the superstructure!

gaged a* soldering werfc has failed to reveal a*f fact nikh might potat to thalr aaferlagfrem lead poisoning.

Evans* physician would like to consult with physicians who have had much experience In dealing with occupational lead exposures* I would recommend Dr* Iloyd Tepper, Department of Environmental Hoalth, University of Cincinnati, Kettering laboratory, Cincinnati, Ohio 45219, telephone 518872*5704, as a highly qualified medical expert in the lead area* I am enclosing a copy of the repring "Industrial load Poisoning** by Dr.

% The direct cardiological effects of lead are also indicated by electrocardiogram changes in lead-poisoned children, which are reversed by chelation therapy (Freeman, 1965; Silver and Rodrigues-Torres, 1968).

Lead Arsenate Slows Spread of Japanese Beetle INCE its first appearance in Amer by trapping the adults and poisoning S ica at Riverton, New Jersey, in the grubs.

Standards containing 1 to 10 micrograms of lead per milliliter were prepared from lead nitrate in 1 normal sulfuric aci.d.