*H V.1 MWBB-0019875 { Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL MAY, 1966 (Vol. 30, No. 5) C=3 INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE , 4400 FIFTH AVENUE PITTSBURGH, PA. 15213 PLAINTIFF'S EXHIBIT 7 03122118 .

*H V.1 MWBB-0019875 { Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL MAY, 1966 (Vol. 30, No. 5) C=3 INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE 4400 FIFTH AVENUE PITTSBURGH, PA. 15213 PLAINTIFF'S EXHIBIT 7 03122118 .

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* ti \ u HMBB-0019875 i Industrial Hygiene Digest r^\ INDUSTRIAL HEALTH NEWS ' LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL MAY, 1966 (Vol. 30, No. 5) INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE ^ 4400 FIFTH AVENUE PITTSBURGH, PA. 15213 03122118 r->1 <- 1 l.'

Y-4000 Code Liquid Red Lead (modified)...............

Doses that, provide concentrations or amounts approaching or superseding Km lead to the nonlinear portion of the curve.

Y-4000 Code liquid Red Lead (modified) ....

Lanza's outstanding accomplishment in identifying the etiology of silicosis also called Lanza's Disease which lead to his being involved and his concern with preventive medicine which resulted in Professor Drinker's being consulted in the identification evaluation and engineering contro of environmental hazards from silica and WHEREAS It was Dr.

Threshold Limit Values of Airborne Contaminants Adopted By ACGIH For 1969 AND INTENDED CHANGES r1 ~ I i i SGP 0006415 I i Copyright 1969, by American Conference of Governmen tal Industrial Hygienists.

Liquid Red lead (modified)..............

Threshold Limit Values of Airborne Contaminants Adopted By ACGIH For 1969 AND INTENDED CHANGES I r1 ~ I i i SGP 0006415 I i Copyright 1969, by American Conference of Governmen tal Industrial Hygienists.

The film has been used for lead wire insulation.

Joseph Lead Company Robert T.

. $4 Pts- Liquid Red lead (modified)..............

Threshold Limit Values of Airborne Contaminants Adopted By ACGIH For 1969 AND INTENDED CHANGES r1 ~ I i i SGP 0006415 I i Copyright 1969, by American Conference of Governmen tal Industrial Hygienists.