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After that inspection, the company was cited for non-serious violations of OSHA TLV's for antimony, lead, chromium, 2-butanone, and chromic acid.

., the capacity for the microsomes to metabolize drugs (N-demethylation); (3) The activity of glucose-6-Pase, a gluconeogenic enzyme and a marker for preneoplastic change; (4) The activity of glucose-6-P dehydrogenase, a pentose shunt enzyme (an increase of this can lead to more ribose and nucleic acid biosynthesis; (5) The level of reduced glutathione in liver for detoxifi cation of carcinogenic metabolites; and - -^(6) The activity of glutathione reductase.

AP00054675 Background I assume each of you has read, most of the material appearing in the public press about the events leading to the now issued regulation I do not intend to review these again in detail.

CFN 8120OSO0OJ 6 LA 1 13.0R38 9 58 00 SR1600 7 00100 2BA IS OSl 02 IS U *>0 AHERICAN CVANAMIO COMPANY MAC GREGOR LEAD PLANT 4S00 NEST FIFTEENTH ST CHICAGO IL 60621 YOUR FILE COPY (Please correct ariy error in name and address including ZIP code) c.

Tho only inference that can be drawn from the values is that they may be representative of the air borne lead concentrations present during any other short term period during the 8 hour workday.

Pulmonary retention of this substance was between 70.8% and 78%, where lead levels and iron deficiency

Circuit rejected the claim 8 Ic. at 1183. 9 Lead Industries Ass'n v. : 647 F.2d 1130, 1145-51, 1153 D.C.

MANUFACTURING CHEMISTS ASSOCIATION 1 825 CONNECTICUT AVENUE, N.W.

CFN 8120OSO0OJ 6 LA 1 13.0R38 9 58 00 SR1600 7 00100 2BA IS OSl 02 IS U *>0 AHERICAN CVANAMIO COMPANY MAC GREGOR LEAD PLANT 4S00 NEST FIFTEENTH ST CHICAGO IL 60621 YOUR FILE COPY (Please correct ariy error in name and address including ZIP code) c.

RICHARD L.

Potential test artifacts, lead, barium, cadmium, and endotoxin were tested for cytotoxicity in WI-38 cells.' r^Cell culture methods yielded more positive tests, particu larly rubber, PVC plastic and silicone rubber compounds, than observed in U.S.P. animal tests'^ Positivity in animal tests did not correlate quantitatively to cytotoxic titers in cell culture.

Each three digit occupa tion and industry code listed in the 1980 United States census was classified for probability and intensity of exposure to asbestos, inorganic dust, metals, lead, polycyclic aromatic hydrocarbons (PAHs), nitrogen oxides, nitrosamines, sulphuric acid, fertilisers, herbicides, other pesti cides (including insecticides and fungi cides), and wood dust.

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