105 CMR 120.554
Safety Precautions
(A) For each patient or human research subject receiving radiopharmaceutical therapy and
hospitalized for compliance with 105 CMR 120.540, a licensee shall:
(1) Quarter the patient or the human research subject either in:
(a) A private room with a private sanitary facility; or
(b) A room, with a private sanitary facility, with another individual who also has
received similar radiopharmaceutical therapy and who cannot be released in accordance
with 105 CMR 120.540; and
(2) Visibly post the patient's or human research subject's door with a "Radioactive
Materials" sign and note on the door or on the patient's or human research subject's chart
where and how long visitors may stay in the patient's or human research subject's room; and
(3) Either monitor material and items removed from the patient's or human research
subject's room to determine that any contamination cannot be distinguished from the natural
background radiation level with a radiation detection survey instrument set on its most
sensitive scale and with no interposed shielding, or handle these materials and items as
radioactive waste.
(B) The Radiation Safety Officer, or his or her designee, and the authorized user shall be
notified immediately if the hospitalized patient or human research subject dies or has a medical
emergency.