MEAN STD DEVIATION SAMPLES (PPM,VCM) (PPM, VCM) ^\ 2-SIGMA UPPER CONTROL LIMIT (PPM,VCM) Transportation Office, Supervision X Reactor Lead Operators 'Vinyl Dryer Lead Operators Maintenance Electricians Maintenance Machinists Maintenance Painter/Carpenter Maintenance General Helpers Laboratory Supervisors d.

Eventually this statement will ' probably become snore explicit e^fUM gjyroi&ata, lead' Chromate, and possibly others.

Lead Industries Association, Inc.

Lead Industries Association, Inc.

Furthermore, reactions leading to cell death would also inhibit the progression towards cancer.

Among the other leading causes of death the statistics for 1971 are as follows: heart disease--!

There is a characteristic dose-response relation between tine protoporphy rin and absorbed lead.

Among the other leading causes of death the statistics for 1971 are as follows: heart disease--!

., PNA'"S (benzo(a)pyrene, anthracene, phenanthrene, pyrene, chrysene, benzenesoluble fraction), mineral spirits, benzene, asbestos, total dust, lead, and total chromium.

., PNA'"S (benzo(a)pyrene, anthracene, phenanthrene, pyrene, chrysene, benzenesoluble fraction), mineral spirits, benzene, asbestos, total dust, lead, and total chromium.

MIBK could be reduced by 501 leading to a 68.6% solids content polymerization system which reduced foam problems and drastically improved batch productivity, c. 70% of the MIBK solvent can be purified by batch distillation and be recycled to yield analytically acceptable product.

The real problem or set of problems at issue is to develop an understanding of the physiological behavior of lead when absorbed into the human body.

Boxerman: National Lead Company has arranged for Mr.

Er<fSf T4** 112TH *3 PLACE, CHICAGO, ILLINOIS 60628 < * October 17, 1972 MacGregor Lead Division American Cyanamid Corporation 4520 IV. 15th Street Chicago, Illinois 60623 f3?'

Emphasize Our Intention to Protect Employees and Keep Plant Operating OSHA VISIT DESCRIBE RESULTS AND RECOMMENDATIONS Criticism of Blender Area Discussion of Lead Handling Discussion of VCM Levels Miscellaneous Comments OUR RESPONSE Existing Program to Make Compounding Areas Easier to Keep Clean Implementation of Other Recommendations.