Chisolm is expected to test ify about lead.

He points out that we investigate thoroughly each sor-called child lead poisoning case. .

Zielhuis Page 3 March 16, 1970 to doubt it, but it says nothing to me which is of use in the prevention of lead poisoning in industry.

Zielhuis Page 3 March 16, 1970 to doubt it, but it says nothing to me which is of use in the prevention of lead poisoning in industry.

G ANDERSON (continuing) Except when it1s your child and they add up to Lead Poisoning.

However, it would be wise fco let me know in advance of his coining. . ' - Without any prejudice to the case in question, may I point out to you that in the period of ten years or more in which leaded gasoline has. been used, there have been no cases of poisoning and it Is now quite certain both from experimental and .clinical work that no lead absorption occurs as a consequence of the normal use and handling of gasoline containing tetraethyl lead* I have no idea what peculiar circumstances may have been effective in the case of M r . ^ m ^ ^ b u t unless there have been unusual circumstances it is extremely unlikely that he has absorbed any lead as a result of his handling of leaded gasoline.

I may be mistaken, but I strongly suspect that the attention given to lead poisoning among children in your state and in the City of Baltimore has been responsible for this lav.

Lew :'G* "2" Case of 150 gallon tank and then onto a screen filter to a dryer pan into cake form* - This operation has been carried on for years and has not affected the health of any operators engaged in it* IT also never consider ed the aspect of this process as serious, nevertheless, and perhaps as an extreme safeguard, safety regulations in effect in other bonafide lead operations were applied at the onset of the load silicate operations and have boon in effect ever since* Theyconsist oft (a) Providing and compulsory use of respirators in addition to weighing' and dust removal system* (b) furnishing clean coveralls at c crapany expense (e) Lro eating or tobacco chewing is permitted* (d) Sulphur soap to. detect any lead deposit on the skin is provided and used* (} Operators are provided with excellent bathing facilities, hot and cold water, towels and double lookers and a 15 minute time allowance, all at company expense* (f) Regulations are enforced* At a recent nesting, Thu C* Smith, Union Committee nan said, he had seen the day before and told '-'r* Smith that he had Jus^^etumed from Cleveland andun^^iis doctor there said he Imd sustained a case of lead poisoning* 7ie told Smith that he had not had the clinical reports S^yu^btr<yQ~er* Conclusions The writer 5ms observed these operations many times and to the best of my knowledge, and regardless of the opinion vre have had as to the re latively minor health hazard, the lead safety rules were always in effect and carried out# 'O r p> * Pi/yti!

A, W, Lead Content of Super Ken-Tone Peelings A user of Super Ken-Tone reported that a celling coated with this paint was peeling* This customer desired to know whether his two smell children could be poisoned by this paint* A small sample of the peeled paint was submitted with the request* 0007-SMP-00000U489 Analytical Research Department July, 1959 Prq.lect AD-U3 - cent

A, W, Lead Content of Super Ken-Tone Peelings A user of Super Ken-Tone reported that a celling coated with this paint was peeling* This customer desired to know whether his two smell children could be poisoned by this paint* A small sample of the peeled paint was submitted with the request* 0007-SMP-00000U489 N 4361 Analytical Research Department July, 1959 Prq.lect AD-U3 - cent

I have observed some very definite effects on the incidence of lead poisoning, and on the lead in the atmosphere in association with increases in the concentration of lead in certain types of alloys.

Bulkeloys Your letters of' February 25th and 27th addressed to Hr* 3* 0* faylor of the Ethyl Gasolene Corporation hm gone without reply since the matter as roforred to so at a tine when I was compelled to be absent from: my office for com weeks* 1 am sorry for the delay and 1 trust It will not have caused you undue inconvenience In as. crash as Milt much time has lapsed, and also I cl not .know whoa to address ' la your lies York' offlee# 1 am replying directly to you rfhc lead mnbmt of the- exhaust gas frees motors using leaded gasoils up to the -maximal cm,:'.arclal concentration is sot sufficient to give rise to the danger f lead poisoning In persona exposed to the exhaust gas, Safety hero is dependent upon two factors?

We continue to feel that the regular monitoring of biological specimens from workers is the best way to protect them from lead poisoning.

In the last year or so in the USA there has been massive publicity tl tens of thousands of children poisoned annually by the lead in flaking paint.

The possible dangers of such wide distribution of a very toxic lead compound aroused fear on the part of public health officials which was intensified when a number of fatal poisonings occurred in the taanufacture and mixing of TEL.