HPS N13.49:2001 (R2011)

Radiological surveys are performed by making in situ measurements of radiation and radioactivity and by collecting media samples for subsequent radiological analyses by a measurement system in the field or laboratory. This standard addresses the specific measurement and sampling tasks that compose a radiological survey, such as air sampling, surface activity measurements, dose and exposure rate measurements. The documentation of surveys includes the use of consistent nomenclature and units for records and a standardized methodology for calculating minimum detectable concentration levels. The standard is not intended to replace existing requirements for design or strategies for performing specific radiological surveys, e.g., final status or compliance demonstration surveys for remediated sites, and operational surveys to demonstrate radiological control. This standard identifies the survey tasks used in most radiological surveys, and provides details on how these survey tasks are performed and documented. The information provided in this standard is intended to be used in the development of procedures for the various radiological survey programs. This standard is not intended for external/internal dosimetry programs nor to replace requirements already established for environmental monitoring surveys or radioactivity determinations.