Non-registered workers may enter the lab provided it is safe to do so. Check with the Local Radiation Protection Adviser. Shut off power at machine or at mains wall switch. These samples contain variable amounts of uranium and thorium, and emit radon gas. All radioactive geological specimens must be stored in the special outside store, at the W end of the Geology Annexe.
Access is restricted to workers who have been issued with a dosimeter badge.
Anyone entering the radioactive mineral store must abide by the Local Rules contained therein and consult with Mr A Calder who holds the key for the store. Fieldwork Any teaching or research activity which involves working out of doors must be assessed for its risks. Additional copies may be obtained from the SSC . Everyone who participates in fieldwork either alone or in a party, must read the appropriate Safety Code, sign the tear-off slip and return it to the SSC . Unsupervised fieldwork carried out by one or two students, must be assessed for risks by the supervisor.