ML19224C935
| ML19224C935 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 05/30/1979 |
| From: | NRC COMMISSION (OCM) |
| To: | NRC COMMISSION (OCM) |
| References | |
| NUDOCS 7907100270 | |
| Download: ML19224C935 (22) | |
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OBJECTIVE:
'~ o Determine Facts anc Assess Licensee Per"ormance Regarding:
(1?
Emergency Precaredness Prior to the March.28 Incicent and, y
(2?
lesponse to In-P ant anc Environmental ladiologica t
Conditions Foi owing the Incident.
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Emergency Response Actions From the Time of the Incident Until Midnight on March 30 are Being Investigated including Actions to Detect and Classify the Incident, Activate the Emer-gency Organization, Monitor and Control Effluents, Control Occupational Radiation Exposure, and Assess Environmental Condi-tions. Actions Taken by the Commonwealth of Pennsylvania, the NRC, or Other Government 5
Agencies Will Not be included in This investigation.
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2El 692 REACTOR COOLANT PRESSURE VS.
TIME ON MARCH 28,1979, AS DISPLAYED ON THE WlDE RANGE PRESSURE RECORDER 2500 1
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I o Loss of Reactor Coolant Pressure ncrease in Reactor B cg. Sump _evel V
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Site Emergency Condition (c)
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Loss of Primary Coolant Pressure, Coincident With Hig 7 Reactor Building Pressure and/or Hig,
Reactor Building Sump Level."
General Emergency Condition (a) 3 "a?
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C5 Station Vent Stacks o
POSSIBLE SOURCES OF RADIOACTIVITY TO STATION VENT 1
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Before Demineralizer Filters Relief Valves MU-RSA & MU-R5B in Let-e down Line Before Make-Up Filters y
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G Note: The Above Water was Diluted by Nonradioactive River Water Leaking From Reactor Bldg Cooling Water Pumps
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Surface Water Samples e
,x, Milk Samples o
Thermoluminescent Dosimeter Measurements o
ENVIRONMEI\\TAL ASSESSMENT M ETI-lO DO LOGY Engineers in Emergency Control Station o
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E AlVIRONMENTAL ASSESSMENT METHODOLOGY (CONT'D)
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Plume Location N
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IN-PLANT RADIATION F
P90TECTIVE MEASURES FOR 1
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i o Respiratory Protective Devices Worn rotective C otling Worn o
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