Lead poisoning.

In another study, Kosmider and Petelenz (1962) found that 66 percent of a group of adults over 46 years old with chronic lead poisoning had electrocardiographic abnor malities, a rate four times the adjusted normal rate for that age group.

is' lead .'

The reference* to childhood lead poisoning in tha letters froo atata officlala In ilabtaa, Irkaneae, and Georgia ara of lntereet.

The second p o in t has to do with the p o s s ib ility of probable p o lso n in # in connect ten with the handling of gasoline* As you w ill see from the studies made the danger of lead poisoning in con nection w ith the gasoline is negligible* On the other hand from time to time various persons have feared th a t they would be poisoned and consequently various KJT 0013471 in v estig atio n in order th a t a diagnosis may he made and in order th a t these fe a rs should be reduced and eventually eliminated* The th ird m atter which Ju stifie s your careful attention is in connectten with the cleaning o f tanks which have been used fen?

LEAD POZBOHJO Although th* recognition of lead poisoning as a dlseass data* back to antiquity, and despite the feet that lte causes and control are wall understood, ywt, as Or.

The lead problems of industry, in relation to their own employees and also to the public, were subsidised by a group of industrial organisations Involving the lead trades.

Dirty, noisy, efficient and poisonous.

Blood Concentration or Body Burden Comparison; and for Enzyme Activity or Intermediate or Product Accumulation Comparison 3.2.1 Adults 3.2.2 Children 3, Relationship Between Exposure to Lead and Health Effects in Hymans 1.0 Introduction 1.1 Variability of Response to Lead Exposure 'm 1.2 Metabolic Effects of Varying Levels of Lead Exposure 2.0 Lead Exposure in Adults 2.1 Usual Exposure 2.2 Ingestion of Lead at Elevated Levels in Adults 2.3 Inhalation of Lead in Adults 3.0 Lead Exposure in Children 3.1 Lead Retention in Children 3.2 Estimates of Lead Exposure for Normal Children 3.3 Estimates of Lead Exposure in Lead Poisoned Children 4.0 Other Parameters Affecting Lead Toxicity 4.1 Form of Lead 4.2 Presence of Other Components in the Diet 4.3 Metabolic Condition of the Subject /"o ) DUP040013730 -3- 4.0 Lead Toxicity 1.0 Neurotoxicity of Lead 1.1 Effects of Lead on the Central and Peripheral Nervous System 1.1.1 Encephalopathy 1,1..2 Neurological Diseases 1.1.3 Peripheral Neuropathy 1.2 Neurological and Behavioral Toxicity of Chronic Lead Exposure in Children 1.3 Behavioral Toxicity of Chronic Lead Exposure in Animal Species '0i 2.0 Effects of Lead on Reproduction 3.0 Effects of Lead on Chromosomes 3.1 Carcinogenicity of Lead Compounds 4.0 Effects of Lead on the immune System 5.0 Experimental Tolerance to Lead 5.0 Emission Control Devices and Fuel Lead Additives Replacements: Characteristics and Fate of Exhaust Emissions 1.0 Exhaust Emissions from the Catalytic Muffler 1.1 Sulfur Exhaust Emissions from Catalytic Mufflers 1.2 Release Rate of Catalyst Components to the Environment 2.0 Exhaust Emissions from Catalytic Mufflers from the use of Fuels with Higher Aromatic Content 3.0 Exhaust Emissions from the Fuel Additive Methyl Cyclopentadienyl Manganese Tricaroonyl: HMT 4.0 Alternative Fuels SJ2 i DUP040013731 Recoirmgndation and Conclusion Lead has been recognized as a toxic element and at high dosage levels its toxicity is most significant for the central and peripheral nervous System.

.; The matter of questioning any of these men for the purpose of determining the existence of symptoms of tetraethyl lead poisoning is a somewhat delicate operation.

We shall want to avoid cases of lead poisoning by proper care, and I have devised a regimen which I believe will do this.

Ve have been quite generous and accomodating with you in agreeing not to proceed further with the asking of prints and sales of our fila, "Lead Poisoning, Tho Hidden Epidemic" until the aatter is resolved with you.

; The matter of questioning any of these men for the purpose of determining the existence of symptoms of tetraethyl lead poisoning is a somewhat delicate operation.

In so far a-a Ur, is concerned, you can .assure Ur* fccrtierson that there- is no likelihood of .vfcaw acquiring leed poisoning from the heudliag of loeded gasoline. 1 bcv seen no eases of-lead poisoning which were over contracted or contributed to by work with leaded geeolinej and moreover, all of the evidence which wo and others fesve eccu&mleteS lends u* to the opinion that there Is no likelihood of poisoning from this source from the handling c f 'leaded gasoline es ordinarily carried out in commerce.

Ve have been quite generous and accomodating with you in agreeing not to proceed further with the making of prints and sales of our film, "Lead Poisoning, The Hidden Epidemic" until the natter is resolved with you.