On August 11, 2003, a Notice of Violation was issued for a Severity Level III violation involving the failure to secure from unauthorized removal or access licensed material (1210 millicuries of molybdenum-99 in a Tc-99m/Mo-99 generator, 351 millicuries of technetium-99m in unit dose form, 400 microcuries of iodine-131, 22 millicuries of xenon-133 and several check sources of microcurie activity) that were stored in a controlled area, and the failure to maintain constant surveillance of this licensed material.