I strong magnet can be used to wipe the information.
Also some document shredding companies have equipment that can shred the tapes.
They state they can securely recycle them.
Thank you for all your helpful responses to my question about hazardous high school chemicals. One more question has arisen: How could an organization dispose of 300-400 videocassette tapes with sensitive information? I was asked about chemical treatment – or burning, and would appreciate your advice.
Ruth Ann Murphy, Ph.D.
Professor of Chemistry
Chairperson, Department of Chemistry, Environmental Science and Geology
Chairperson, Health Professions Advisory Committee
Amy LeVesconte Professorship of Chemistry
JAMP Faculty Director
Goldwater Scholarship Faculty Representative
The University of Mary Hardin-Baylor
900 College Street
Belton, TX 76513-2599
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