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August 13, 1969
Mr. W. Leo Yates Family Life Specialist Cooperative Extension Service Ciemson University Clemson, South Ccrolino 29631
Dear Mr. Yates:
J We Have your recent circular letter requesting enswers to a list of questions on the subject of "Leod Paint Poisoning of Children". Our answers to these questions are
as follows:
Question ^ 1: Do children become poisoned by liquid or dried paint or both?
L - Answer: Leod Is a cumulative poison. Lead poisoning results from continued ingestion of lecd. For this recson, it is likely that any lead poisoning related to paint develops from eat ing dried paint chips. I have never heard of a case of lead poisoning which developed from the ingestion of a
* I liquid paint.
Question ^ 2: Is
besed paint poisonous through giving off fumes? How volctile
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Answer: At normal temperatures the fumes or vapors given off by lead besed paints contain no lead end are no more danger ous than the vepors given off by cnother paint which contains the seme voierile solvents. In other words, the motfer of toxicity involved in breathing paint vapors depends not on
me leod conrenf Sw wCon the composition of the volatile i solvents and the corcentratioft of the vapors. Tnere is no
iecd fume" problem with paint.
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.Question ** 3 : Do children c t zr.y ere socio-ico-c
:ss seem to exoenence
more !ecc ps ;scr. mg r cno.-c-'.'
Answer: I believe mo.; coses c: . cc_ poisoning r.c/e
t o children of unoer-prl/i.c^ed r - . cs since suesre.-.cerd
housing in wnicr. tr.ey !i\s, .s rr.o.e ilceiy :c .neve o.o,
lecd-cor.taining point flexing from rhe interior walls,
interior paints have .not contained white lead pigments
for epproximeteiy thirty years. The grectest danger,
therefore, occurs in o.c Tenement dwellings which heve
walls that were painted 25 to 30 years ogo, and which
have not been maintained properly.
Pica, the craving of some children for un.ncturai food (point and wood chips, for examp!e)is probably relcted to a nutritional deficiency.
Question ^ 4 : Does poisoning come from Inhalctlon, touch,or ingestion of the lead based paint?
Answer: To our knowledge, lecd poisoning cs it relates to paint is caused only by ingestion of dried paint chips which contain lecd.
Question ^5 : Whet ere some sources of studies done on characteristics common to cases of poisoning of cniidren ay leca basea pcint?
Answer: For informaricn on studies of characteristics common to cases of poisoning of children by lead besed paints, I would suggest contacting the Public Heclth Departments of large cities. The Lecd Industries Association, 292 Madison Avenue, New York City, can also be helpful in providing this type information.
Guestion ^ 6 : What are the symptoms exhibited by a child poisoned by a lead based
paint?
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Answer: It is our understanding that typical symptoms are:
1) Pains in the stomcch . 2) Frequent vomiting
3) Crossness end irritetion without c visible reason 4) Many headaches 5) Muscle weakness and constant tiredness 6) Spasms
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These seme symptons or^of course, also related to meny other disorders. ?i."ce the subject of symptoms
is c medical matter, --e suggest contacting medical doctors cs wei! cs the sou.ces m**.:!c.*ec in No. 5 for more specific informcrior.
Question f 7 Who: cr.ti-tcx&n or ds-toxificarion procedures ere recommended?
Answer: > e m...st refer t.ris question to medical doctors. It ~~is very important, however, to have a child;suspected of eating paint chips, examined ct once by a doctor.
Question * S: Whot points generclly use leod os a bese? by function, by type -
Answer:
As stated earlier, lead is rcrely used in modern interior points. There Is no longer cny purpose in using leod pigments in paints intended for interior use since better lead-free pigments for this purpose are available at lower cost. Lecd pigments are used today in structural steel primers, in some exterior house paints, and other exterior coatings. Lecd pigments are relatively expen sive end their use is generally confined to providing rust-inhibitive properties on steel surfaces and for good exterior durability in certoin exterior wood end metal points.
I am enclosing a copy of a publication entitled, "How to Prevent Lead Poisoning in the Home". This booklet was published several years ego end Is now out of print. We are in the process of revising the subject matter and expect to publish c new booklet on this subject in the near future. I am also enclosing a copy of our booklet directed to the painting of childrens' toys and furniture which you may find of interest.
We v*ould certainly appreciate having you send us a summary of the findings you develop from your questionnaire.
Sincerely yours,
RAB/fms Enclosures
Royal A.' Brown Technical Director
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