Document ZJEoe3BVbGdjO26Xm6V0xwqpY

Dr. H. J. Kolodner - Charlotte JJ F. Hawthorne - Corpus Christi 10/7/75 JPH-88-75 PLAINTIFF'S EXHIBIT CEL-726 MONITORING OF TOXIC AND HAZARDOUS SUBSTANCES USED AT CCCTC We would appreciate your interpreting Occupational Safety and Health Standard 1910. 1000, 40 FR 23072, Subpart Z - "Toxic and Hazardous Substances" copy attached) when applied to a research and development center; specifically, as it relates to monitoring of the substances listed in Tables Z-l, Z-2 and Z-3. Please also note the "Editor's Note" circled in red on Page 31:8306 of the OSHR referenced file dated June 12, 1975. Presently, we are testing to determine TLV levels of substances used in developing processes here at the Technical Center. Since we handle and/or have on hand most of those substances listed in the referenced tables, your help in this matter would be greatly appreciated. JPF/sac Attachments cc: R. D. Damron L,. Starr W. E. Heinz W. T. McNair R. W. James . -r'*/ r , J. F. Hawthorne 008670