"Toxic chemicals in the environment"



Streaming Media


Ecosystems Lectures


1 hour 28 minutes

Original Description

With: Arbib, M. A. Environmental stimulation and long-term planning.


This lecture, which examines the problems of pollution by toxic substances, was sponsored by Sigma Xi - Earth Resources Ltd. [Michael A. Arbib does not appear on this recording]

Transferred and preserved by Portland State University Library’s Special Collections with the generous support of the Institute of Museum and Library Services through the Library Services and Technology Act, administered by the Oregon State Library.


Pollution, Pollutants, Ecosystems

Original Format

Reel to reel, 3.75 ips, mono


This digital access copy is made available as streaming media for personal, educational, and non-commercial use only. It cannot be reproduced in any form, distributed or played for commercial purposes. It is made accessible because of one or more of the following situations: the rights are owned by State Board of Higher Education, on behalf of Portland State University; Portland State University has permission to make it accessible; it is made accessible for education and research purposes under fair use; or there are no known restrictions on use. In the event that previously unknown information is shared that may change the status of this item, it will be immediately removed from public view until pertinent rights issues are clarified.

Persistent Identifier