Document jmKwNwqZwKqBkY26X4b8dQRgp

September 21, 1956 Mr* R. A. Eleich Diviaion Manager Zonolite Company Libby, Montana Dear Hr. Bleicht: \ Enclosed are two (2) copies of a report of an industrial hygiene study cade of your plant in August, 1956* As you will note, the Conclusions and Raccgmendationa are essentially those we discussed during cy visit to your office. It is hoped that &t a later date, as a matter of completion of the records, that sputum specimens from seme of the nan can be collected and exam ined for estestosis bodies, elthough it is not expected that any will be found. We appreciate your interest and consideration in making this study possible. If you have any questions or suggestions concerning ths report, feel free to contact us at any time. Sincerely yours EFW/fosd Enclosures Benjamin F. Wake Acting Industrial Hygiene Engineer Disease Control Division