I have enclosed one each of the following reports for your use -- PLMR-3-77 - 'Development of An Air Qualify Value for Lead from Community Studies" PLMR-1-77 - "Critique of the Analytical Methods Section of EPA External Draft of 'Air Quality Criteria for Atmospheric Lead'" PLMR-3-76 - "Trends in Air Lead Concentration" PLMR-2-77 - "Comments on EPA External Draft of Air Qualify Criteria for Atmospheric Lead" I trust you wi'' find this information useful in your work* If there are any questions or farther information which you require in regards to this subject, please feel free to contact me. at the above address.

However, this does not prevent us in making a version for the Lead Associa tion.

Joseph Lead Co. , J McCullough, President of the Lead 4 Zinc Division of American Metal Climax, Inc., and H.

Bookman, 2 pt. leaded N10014 PNYCOOC00046

If you would like to get more information about National Lead and its many activities, write today to National Lead Company.

All homes in Chicago with children under the age of five years be tested for lead. 2.

Dutch Boy red-lead is sold in paste and liquid form.

National Lead Co.

However, this does not prevent us in making a version for the Lead Associa tion.

I discussed the matter of your fees for doing the blood leads for Dr.

As I pointed out previously, stippling of the erythrocytes cannot be expected to correlate with the extent of individual lead absorption, and the failure of the stippling to return to a low level is, therefore, not to be regarded as any evidence of continued lead exposure.

If you are interested In knowing the methods of lead analysis* I should be glad to provide you with a complete description of our technique.

Dutch Boy red-lead is pure red-lead.

If this was in any way connected with tetraethyl lead, Mr.

Tbs over-all pleture for lead-in-oil dess act leek at all good.