James D. Brownridge This is Me

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1. 1. Pipe Dream on the Web

   www.bupipedream.com/pipeline_w - [Cached]

   Published on: 12/11/2006   Last Visited: 12/14/2006

   The substance, a sample of 100 curies - about two grams - of cobalt 60, was removed from a laboratory in the Science I building by four contractors of L. Shepherd & Associates, a removal company from California, under the supervision of BU's radiation safety officer, James Brownridge. The material was under a shield and encapsulated by 8 inches of lead when being moved.
   
   Brownridge, a nuclear instrumentation specialist, said the material was well-secured and successfully removed from campus, but "if it was exposed it could have caused serious problems."
   
   "Under the right circumstances it would be lethal," he said.
   ...
   "The source has gone through many, many half-lives," Brownridge said.
   ...
   "The amount of material that they work with in wet chemistry labs would produce less external exposure to radiation than you would get from holding a [ceramic] cup or a piece of jewelry," Brownridge said. "So because of [state and BU regulations] we know that under the worse case scenario [the exposure] won't be that hazardous."
   
   Nonetheless, the committee checks the laboratories for contamination once a week. Everyone that works with radioactive materials, Brownridge said, is "trained, retrained and briefed once a year."
   
   Brownridge added that in his 40 years as a radiation safety officer, BU has never had a significant incident - which, in his opinion, would be spilling the substance on yourself.

2. 2. newscast: oemagazine.com: Powered by oe magazine. The Monthly Publication of SPIE—The International Society for Optical Engineering

   oemagazine.com/newscast/062503 - [Cached]

   Published on: 6/25/2003   Last Visited: 3/26/2004

   The UNC professor helped James D. Brownridge, a radiation safety officer at the State University of New York (SUNY) at Binghamton, make the device work better. "I was looking for something to get involved in after I retired and heard about James' work with crystals," he said.

3. 3. Triangle Tech Journal - Technology news and jobs in Research Triangle Park/RTP

   www.triangletechjournal.com/ne - [Cached]

   Published on: 12/1/2003   Last Visited: 12/24/2003

   The UNC professor helped James D. Brownridge, a radiation safety officer at the State University of New York at Binghamton, make the device work better.
   ...
   Brownridge said he met the UNC professor at a scientific conference in the early 1990s after presenting some of his early work on crystal X-ray generators.
   
   "After we began collaborating, that led to many new findings, and we worked so closely and so well, I truly can't say what was his and what was mine," Brownridge said.