My own principal work, both in experimentation with a group of colleagues and technical assistants and in the practice of Occupational Medicine, has been concerned with the physiology and toxicology of trace and heavy metals, with particular emphasis upon the metabolism of lead in the human body under a variety of normal and abnormal conditions, and the relationship of these matters to the prevention and therapy of lead poisoning.

RULES AND REGULATIONS COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF HEALTH ' CHAPTER 4 Article 432 Regulations Establishing Threshold Limits in Places of Employment .Under llie proviMious* of the Administrative Code Act or April 9. 1929.

Thereupon, as a result of conferences between the Insurance Commissioner and actuaries repre senting the Rating and Inspection Bureau and leading carriers, in November, 1932, it was recom mended to establish a rate for this classification of S3 per $100 payroll, with a "Supplementary Oc cupational Disease" rate of S300 per employee per year ($25 per month for any employee on the Page ISO INDUSTRIAL MEDICINE April, 1336 ir, uihiwuii-?

MIKING PRACTICE For the manufacture of slag wool, the slag is leaded fra,-, the c-. either by hand or by mechanical shovel .and transported to the nanu..-..v.tur:1 plant.

FILE NAME Talc TALC DATE 1925 May DOC TALC307 DOCUMENT DESCRIPTION Report - Geology of the Gouverneur Quadrangle New York State Museum Bulletin BC Notes Pages of the report that note asbestos minerals in the talc deposits 21 76 80-82 89 109-116 Barry Castleman Comments - Pages of the report that note asbestos minerals in the talc deposits 21 76 80-82 89 109-116 PLAINTIFF'S EXHIBIT 0350 New York State Museum Bulletin Published by The University of the State of New York No. 259 ALBANY Y.

FILE NAME RT Vanderbilt RTV DATE 1925 May DOC RTV325 DOCUMENT DESCRIPTION Report - Geology of the Gouverneur Quadrangle New York State Museum Bulletin BC Notes Pages of the report that note asbestos minerals in the talc deposits 21 76 80-82 89 109-116 Barry Castleman Comments - Pages of the report that note asbestos minerals in the talc deposits 21 76 80-82 89 109-116 PLAINTIFF'S EXHIBIT 0350 New York State Museum Bulletin Published by The University of the State of New York No. 239 ALBANY N.

FILE NAME Talc TALC DATE 1925 May DOC TALC307 DOCUMENT DESCRIPTION Report - Geology of the Gouverneur Quadrangle New York State Museum Bulletin BC Notes Pages of the report that note asbestos minerals in the talc deposits 21 76 80-82 89 109-116 Barry Castleman Comments - Pages of the report that note asbestos minerals in the talc deposits 21 76 80-82 89 109-116 PLAINTIFF'S EXHIBIT 0350 New York State Museum Bulletin Published by The University of the State of New York No. 239 ALBANY N.

Joseph Lead Co. .

O i l Co In re ; Heath o The co n d itio n of purpura haemcrrh&gica i s c h a r a c te r iz e d by g e n e r a l weakness- w ith a mor or l e s s marked d i s s e m in a t io n of blood ex tra v asatio n leading to e p is ta x is , hem aturia, haemcpty s is and hematemesis of varying degrees of se v e rity .

This leads to failures of the mog drive pumps which cost on average $25,000/yr.

i Acting Se^ne RepuC'.oan Lead COLOF.FLL CAREER er Wa' ace H w-i tc Jr., of Maine, 7"e 30.0 playei's desth cougrij!

Tijuana Lead Works, 956 India.

SECTION 11 COMPONENT HAZARDOUS COMPONENTS OF MIXTURES THRESHOLD A LIMIT VALUE (UNITS) COMPONENT Carbon Black Lead Compounds (0.1-1%) - 3.5 mg/m3 (0 -2%) - 0.2 mg/m3 THRESHOLD A LIMIT VALUE .

, back to highway leading un ' up < -Vih- > Laurel lea Grade, over the grade .. .4e--Moiitcrejf-5oiinf\s hignviayy arid , Eack to Monterey.

Essentially, these acids, which are found to greater or lesser extent in virtually all crude oils, are corrosive, tend to cause equipment failures, lead to high maintenance costs and may pose environmental disposal problems (3).