Regulations involving radiation or lasers is administered through the Office of Radiological and Environmental Management (REM) at Purdue University.
Please consult the REM Web site for further details.
Radiation Safety: http://www.purdue.edu/rem/rs/rs.htm
Laser Safety: http://www.purdue.edu/rem/laser/laser.htm
Contact Jim Schweitzer at (765) 494-2350 if you are unable to find answers to your environmental, health or safety concerns.