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Between 1958 and 1972, the Riverside Methodist Hospital in Columbus, Ohio became the first hospital in Central Ohio to develop an extensive cobalt therapy program, where the use of cobalt-60 became the dominant radiation source for treating patients with cancer. In 1973, 30-year-old Joel Axt was hired by the hospital as the resident physicist ...
According to the 1985 CNSNS report, about four thousand people were exposed to cobalt-60 radiation as a result of the incident. [3] It is estimated that almost 80 percent of people received a dose less than 500 mrem (equivalent to 5 m Sv ); 18 percent, between 0.5 and 25 rems (5–25 mSv); and only two percent (about 80 people) received doses ...
Between March and July 1962, a radiation incident in Mexico City occurred when a ten-year-old boy took home an industrial radiography source that was not contained in its proper shielding. Five individuals received significant doses of radiation from the 200-gigabecquerel cobalt-60 capsule, [1] four of whom died. [2]
Contact your bank or credit card company if you paid a scammer to report a fraudulent charge. If you sent cash by mail, contact the U.S. Postal Inspection Service and ask them to intercept the ...
The best way to protect yourself against email phishing scams is to avoid falling victim to them in the first place. "Simply never take sensitive action based on emails sent to you," Steinberg says.
• Fake email addresses - Malicious actors sometimes send from email addresses made to look like an official email address but in fact is missing a letter(s), misspelled, replaces a letter with a lookalike number (e.g. “O” and “0”), or originates from free email services that would not be used for official communications.
Cobalt-60 is used as a radiation source for radiotherapy (specifically, cobalt therapy). Cobalt-60 (60 Co) is a synthetic radioactive isotope of cobalt, with a half-life of 5.27 years, and emits highly penetrating gamma rays. It is commonly used as a radiation source for radiotherapy and equipment sterilization in hospital settings, and also ...
AOL Mail is focused on keeping you safe while you use the best mail product on the web. One way we do this is by protecting against phishing and scam emails though the use of AOL Official Mail. When we send you important emails, we'll mark the message with a small AOL icon beside the sender name.