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Event Notification Report for February 08, 2018

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
02/07/2018 - 02/08/2018

EVENT NUMBERS
53208

Agreement State
Event Number: 53208
Rep Org: MARYLAND DEPT OF THE ENVIRONMENT
Licensee: JOHNS HOPKINS MEDICAL INSTITUTION
Region: 1
City: BALTIMORE   State: MD
County:
License #: MD-07-005-03
Agreement: Y
Docket:
NRC Notified By: ALAN GOLDEY
HQ OPS Officer: MARK ABRAMOVITZ
Notification Date: 02/13/2018
Notification Time: 16:00 [ET]
Event Date: 02/08/2018
Event Time: 00:00 [EST]
Last Update Date: 02/13/2018
Emergency Class: NON EMERGENCY
10 CFR Section:
Person (Organization):
FRED BOWER (R1DO)
NMSS_EVENTS_NOTIFICA (EMAI)
GRETCHEN RIVERA-CAPE (NMSS)
PATRICIA MILLIGAN (INES)
Event Text
AGREEMENT STATE REPORT - PERSONNEL OVEREXPOSURE

The following report was received from the Maryland Department of the Environment Radiological Health Program via email:

"On February 8, 2018, the Maryland Department of the Environment - Radiological Health Program was contacted by Johns Hopkins Medical Institution (MD-07-005-03) of an incident in which one researcher had received a total effective dose equivalent exceeding 5 Rem and likely an extremity dose exceeding 50 Rem. The licensee received results of a researcher's 4th quarter 2017 radiation badge readings. The researcher was conducting tracer studies using PET isotopes C-11 and F-18 in animals. The researcher has been monitored since February 2012 and has frequently used F-18 in similar studies with no problems. Use of PET isotopes in the lab has been halted pending an investigation by the licensee. The Maryland Radiological Health Program will schedule a reactive investigation.

"The result of the whole-body radiation badge readings (monitoring period Oct 1 - Dec 31, 2017) was:

Deep Dose: 12,818 milliRem
Lens of the Eye: 28,280 milliRem
Shallow Dose: 46,206 milliRem
Beta Dose: 33,388 milliRem

"The researcher's assigned extremity ring badge was not worn during the 4th quarter of 2017.

"The licensee will submit a written report as required within 30 days."