Final answer:
To be below the excepted quantity limit, a package must adhere to specific regulations with a surface radiation level of less than 0.5 mR/hr and a contamination level of less than 6600 dpm/300 cm², aligning with option A.
Step-by-step explanation:
The conditions that must be satisfied for a package to be below the excepted quantity limit adhere to specific regulations meant for the safe transport of hazardous materials, including radioactive substances. The correct condition among the options provided is A. Quantity limit and surface < 0.5 mR/hr and surface wipe < 6600 dpm/300 cm². This means the limit on the quantity of the radioactive material is prescribed by regulation and that the package must emit less than 0.5 milliroentgens per hour at the surface, and the removable radioactive surface contamination must not exceed 6600 disintegrations per minute (dpm) per 300 square centimeters. These safety measures ensure the protection of individuals and the environment from the potential hazards associated with the transportation of radioactive materials.