25 Pa. Code § 273.223 - Radiation monitoring and response
(a) An operator shall implement the action
plan approved under §
273.140a (relating to radiation
protection action plan).
(b) An
operator shall monitor incoming waste in accordance with the Department's
"Guidance Document on Radioactivity Monitoring at Solid Waste
Processing and Disposal Facilities," Document Number 250-3100-001 or
in a manner at least as protective of the environment, facility staff and
public health and safety. Monitoring shall meet the requirements of this
section and the facility's approved radiation protection action plan.
(c) Radiation detector elements shall be as
close as practical to the waste load and in an appropriate geometry to monitor
the waste. The radiation monitoring system shall be set to alarm at a level no
higher than 10 microroentgen per hour (µR/hr) above the average
background at the facility when any of the radiation detector elements is
exposed to a cesium-137 gamma radiation field. Radiation detector elements
shall be shielded to maintain the average background below 10 µR/hr. If
capable of energy discrimination, the radiation monitoring system shall be set
to detect gamma rays of a 50 kiloelectron volt (keV) energy and
higher.
(d) An operator shall have
portable radiation monitors capable of determining the radiation dose rate and
presence of contamination on a vehicle that has caused an alarm. Upon a
confirmed exceedance of the alarm level in subsection (c), a radiological
survey of the vehicle shall be performed.
(e) An operator shall notify the Department
immediately and isolate the vehicle when radiation dose rates of 20
µSv/hr (2 mrem/hr) or greater are detected in the cab of a vehicle, 500
µSv/hr (50 mrem/hr) or greater are detected from any other surface, or
contamination is detected on the outside of the vehicle.
(f) Monitoring equipment shall be calibrated
at a frequency specified by the manufacturer, but not less than once a
year.
(g) If radioactive material
is detected, the vehicle containing the radioactive material may not leave the
facility without written Department approval and an authorized United States
Department of Transportation exemption form.
Notes
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