. * Washington D* C* *he re s u lts of the exam inetlcoi made a t th a t C lin ic indicated if a th e r d e a r ily th a t th ere was no suggestion of lead thtcxlcatlon# (Incidentally# and fo r your information# the handling : of gasolines does not Involve s ig n ific a n t exposure to te tra e th y l lead* The vapora given o ff from th gasoline do not contain lead in.measureable q u a n titie s so th a t I t Is not possible to absorb lead as the re s u lt of exposure to fumes ris in g from tanks and open containers of gasoline*) The doctor who examined him# Dr* Thomas J* Kelly) came to the conclusion th a t the headaches mlght be oaused by frequent exposure to gasoline v a p o rs a lh o e lt appeared that the p a tie n t had no symptoxos when he was .not working* In as much as th is man presented no symptoms suggestive of lead ab so ^ tlb n ' or lead interni cation# I did not se e f i t to make Shy ita rth e rIn v e s tig a tio n of h is ease* However I f there have been any developments In the case since the I n i t i a l re p o rt which appear to ju s tif y fu rth e r investigation# I should be glad to be Informed* Very tr u ly yours# RAK*la Robert A) Kehoe, 00038:2

And meanwhile the proportion of lead is utterly ignored.

Just recently we have obtained a sample of "Comprethyl" (the name of the product in question) and upon analysis it proved to contain a volatile lead compound^ The analysis is not yet complete but the indications are that the only useful anti-knock agent in "Comprethyl" is the lead compound.

Irianni National Lead Co.

Paul, we used to have an average of thirteen or fourteen oases of lead Intoxication a month.

Kehoe August 20, 1963 2 At a, blood lead value of 0.09 mg. of lead per 100 grams.

IV 1978 Lead-m-Air Measurements In anticipation of the questions to be raised as the effective date of the new OSHA Lead Standard approaches, all of the 1978 lead-m-air measurements made with the high volume technique were summarized (see Table IV).

NEW JERSEY troy CHEMICAL CORPORATION Mahch 50, 1972 Subject: Replacement of Lead VhiehS and Ltad Feeder VhiehS inyouh Paints, Veah Sift: The. dihective to eliminate lead dhiehs thorn coatings fohmu- lations dots phesent phoblems to the paint chemist.

Joseph Lead Co.

So far as the other lead alkyls are concerned, the only one I know that has been investigated extensively is lead tetramethyl.

Lead Industries Association, Inc.

Since World War II, only minute amounts of lead have been used.

Jvlaisoii - (2) - April 11, 1955 unnecessary risks of industrial lead exposure.

Lead poisoning due'to the use of nipple shields and of lead ointments on the breasts of mothers was also considered a source of poisoning by the physicians interviewed.

Since you have previous experience with lead chromate pigments and are aware of their hazards, I request that you look at the implications of replacing cadmium pigments with lead chromate pigments in TYPAR and what type of tests Haskell would recommend for lead chromate pigments.