.\ R C H UNIVERSITY OF PITTSBURGH 3 PROGRESS REPORT for the week ended October 22, 10^3 INDUSTRIAL HYGIENE FOUNDATION Subjects under] which report is/ to be indexed) Industrial Fellowship No. 259-lL A full day vas spent in completing the duat and lead surrey at Pittsburgh Plate Glass Co.

*: In Process Finished: Lead Copper Silvtr Cold By-Products 9,887,960 lbs. a 19,038,044 lbs.

Three visits were made to the plant to check toxic hazards and asbestos, lead formate, potassium, etc.

Lead I ndustriesA**oc;mt!

--Analysis of causes of illness leading to loss of working time in 1949.

The first coating to be tried for lead fume suppression in flame cutting will be a strip of glass cloth, impregnated, by suction, with clay to' minimize pores, glued to the painted surface.

Dear Miss Perrys Ho instructions were enclosed for the return of proofs of the Lead Symposium articles By Dr. .

This man worked for a period of three years in the handling of gasoline containing tetra-etnyl lead.

Lead Analyses URINE Analysis Number Volume Specific Gravity Mg.

frl-A Florman's Lead and Zinc Faint Exterior House Paint 'Shite 1:0. 27 Pigment 6.SO> Basic Carbonate White Lead Zinc Oxide Titanox A Lbs 550 75 50 Y_eli lr.

* _________ is still of the opinion that he is suffering from lead poi soning and now that many months have elapsed the study of his case has been reopened .

/ I thoroughly enjoyed the discussion v;ef had last week on lead and am already looking forward to our next meeting.

Your letter is very instructive and it will be very helpful in formulating this Division's opinion with respect to lead and sulfur hair dyes and other lead-containing cosmetics.

Stockdale '/.Hite Lead Plant Superintendent N11505 PNTC00009230

Three visits were made to the plant to check toxic hazards and asbestos, lead formate, potassium, etc.