Each calendar year (CY) the Pacific Northwest National Laboratory (PNNL) performs its customary radiological protection support services in support of the U.S. Department of Energy (DOE) Richland Operations Office (RL) and the Hanford contractors. These services include: external dosimetry, internal dosimetry, in vivo measurements, radiological records, instrument calibration and evaluation and the calibration of radiation sources traceable to the National Institute of Standards and Technology (NIST).