The radioactive sources used in the experiments on these pages are very low level isotopes referred to as "license free" sources. This does not mean, however, that these materials represent no hazard to students. The Nucleus, PO Box T, Oak Ridge, Tennessee, 37830, has provided the following guidelines for use of low-level radioactive materials in classroom environments.
Eating, drinking, and application of cosmetics in the laboratory is not permitted.
Pipetting by mouth is never permitted. Use suction devices such as pipette fillers.
Gloves and lab coats should be worn when working with all liquid radioisotopes.
Before leaving the lab, wash your hands thoroughly then check for possible contamination with a survey instrument.
Report ALL spills, wounds, or other emergencies to your teacher.
Keep exposure time to a minimum.
All radioactive liquids wastes are to be poured into the liquid waste container, NEVER a sink.
Maintain good housekeeping at all times in the lab.
Store radioactive materials only in designated storage areas. Do not remove sources from the lab.
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