NISP-RP-002 revised
Survey steps: - ANS-1. Evaluate most current previous survey
2. Select instrument based on expected conditions
3. Perform survey
4. Abnormal results?
No- Brief workers to support work as needed - complete survey map/forms
Yes- Stop work if required - Inform supervision of conditions - Implement supervision
instructions to mitigate hazards - complete survey map/forms
Required Info on surveys - ANS--Contact & 30 cm dose rates chest high from source
(Include other heights (Knee, waist, head) if they are higher than the chest dose rate)
-General area dose rates
-LDWA
-Date/Time/Location
-Survey Instrument Serial #
-Surveyor name
What to survey: - ANS-Contact and 30cm dose rates of known and potential sources
(Pipes, elbows, valves, penetrations, spills, transfer lines, etc) and general area dose
rates as well as contamination levels if in a CA.
If dose rates are greater than 100 mrem/hr between the knees and head: -
ANS-Determine if the Dosimetry needs to be relocated or if additional Dosimetry is
needed
-Identify the source (overhead pipes, floor pipes, or Highly Contaminated surfaces)
-Measure the dose rates at heights of knees, waist, chest, and head near the source
where the worker may be positioned
-If the higher dose rates are not at the chest, record the chest dose rates along with the
higher dose rates and annotate them based on the body location.
How to measure Beta dose rates in areas with known or expected contamination levels
greater than 500,000 dpm/100cm^2 (Open primary reactor system components, drained
rad waste tanks, and reactor cavities): - ANS-1. Scan the surface with OW to find the
highest radiation levels
2. Perform OW and CW survey as close to the surface as possible
3. Calculate betta dose rate by (OW-CW) X Beta correction factor (provided by RP
supervision or on the instrument calibration label)
Survey steps: - ANS-1. Evaluate most current previous survey
2. Select instrument based on expected conditions
3. Perform survey
4. Abnormal results?
No- Brief workers to support work as needed - complete survey map/forms
Yes- Stop work if required - Inform supervision of conditions - Implement supervision
instructions to mitigate hazards - complete survey map/forms
Required Info on surveys - ANS--Contact & 30 cm dose rates chest high from source
(Include other heights (Knee, waist, head) if they are higher than the chest dose rate)
-General area dose rates
-LDWA
-Date/Time/Location
-Survey Instrument Serial #
-Surveyor name
What to survey: - ANS-Contact and 30cm dose rates of known and potential sources
(Pipes, elbows, valves, penetrations, spills, transfer lines, etc) and general area dose
rates as well as contamination levels if in a CA.
If dose rates are greater than 100 mrem/hr between the knees and head: -
ANS-Determine if the Dosimetry needs to be relocated or if additional Dosimetry is
needed
-Identify the source (overhead pipes, floor pipes, or Highly Contaminated surfaces)
-Measure the dose rates at heights of knees, waist, chest, and head near the source
where the worker may be positioned
-If the higher dose rates are not at the chest, record the chest dose rates along with the
higher dose rates and annotate them based on the body location.
How to measure Beta dose rates in areas with known or expected contamination levels
greater than 500,000 dpm/100cm^2 (Open primary reactor system components, drained
rad waste tanks, and reactor cavities): - ANS-1. Scan the surface with OW to find the
highest radiation levels
2. Perform OW and CW survey as close to the surface as possible
3. Calculate betta dose rate by (OW-CW) X Beta correction factor (provided by RP
supervision or on the instrument calibration label)
