FOIA’s Related to Reactor Research/Data

FOIA’s Related to Reactor Research/Data


Entombment requires removal of RPV head – could introduce more problems than it solves

NRC likely never postulated H2 explosions size & destructive force at Fukushima

 March 11th, 2011 – Premonitions of North Anna EQ – Why does the NRC have confidence that an eq greater than DB cannot occur in the US

March 13th, 2011 – Dams and ocean cooled plants – Imagine a sustained SBO at a PWR!

March 13th, 2011 – Certified designs of new reactors in the US are based on PGA of 0.3g

March 13th, 2011 – Talking Points on Implications of Fukushima Accident to U.S. Nuclear Plants

March 14th, 2011 – Containment Failure Values – Long term SBO, Loss of Decay Heat Removal

March 14th, 2011 – This is the TBW sequence we’ve all dreaded – Japan still very secretive

March 14th, 2011 – Any inconsistencies or statements that undermine will have lasting effects

March 14th, 2011 – SPAR Hazard Models – LOOPPWR:40-10

March 14th, 2011 – Seismic PRAs do not consider damage from earthquake aftershocks – Station Blackout Write-Up

March 14th, 2011 – OpE Nuclear Power Plant Design for Natural Phenomena

March 14th, 2011 – A good qualitative idea of the types of doses such releases can be expected to deliver

March 14th, 2011 – Is our [U.S.] battery backup power less effective than the Japanese?

March 14th, 2011 – GI-199 Questions – Due to uncertainties in the data NRC sending letter to US Plants

March 14th, 2011 – Modelling Seismic Event Sequences like the one that happened to Fukushima

March 14th, 2011 – What a licensee needs to determine to ensure not exceeding licensed limits

March 15th, 2011 – The Conditions in Japan appear to have degraded

March 15th, 2011 – NUREG-0651- Torus (Suppression Chamber) Portion of the Mark I Containment

March 15th, 2011 – Significant corrosion of the Oyster Creek torus in 1980s

March 15th, 2011 – Don’t know if Japan added hardened vent but I’m sure they are well aware of it

March 15th, 2011 – TEPCO fail on info-sharing / No N-crisis HQ for 4 days after tsunami disabled reactor cooling system

March 15th, 2011 – Don’t know if Japan added hardened vent but I’m sure they are well aware of it

March 15th, 2011 – TEPCO fail on info-sharing / No N-crisis HQ for 4 days after tsunami disabled reactor cooling system

March 15th 2011 – Table of BWR’s Mark I

March 16th, 2011 – Tsunami documents from RES – ML072920474 – ML082960196

March 16th, 2011 – Assessing SFP Damage – SOARCA – Uncovered Spent Fuel Reports – Leak at Unit 4 SFP

March 16th 2011 – NRC Admits Zirc Fire Is Possible – But Won’t Release All the Research Data

March 16th, 2011 – Classified as OUO documents – BWR zirc fire data

March 16th, 2011 – Tried dropping water from helicopters but only hit the target once

March 17th, 2011 – MACCS calculations capable of 8,000 miles – Usually run to 1,000 miles

March 18th, 2011 – Design Basis Floods Determined from Area-Discharge Envelopes – Not comfortable with level of conservatism

March 18th, 2011 – National Weather Service Reports used to estimate precipitation are 30-40 years old

March 18th 2011 – It might be good to know the effects of salt deposition on cooling of BWR fuel assemblies

March 18th, 2011 – Tohoku-Taiheiyou-Oki Earthquake Effects On Japanese Nuclear Power Plants

March 18th, 2011- Handy Fact Sheets

March 18th, 2011 – Station Blackout Rule – 44 Units rely on battery power

March 21st, 2011 – Clarification and assessment of potential radiological release source terms for Fukushima Units 3&4 spent fuel pools

March 21st, 2011 – Probability of NPP Ground Motions Exceeding DB high as 6%

March 21st, 2011 – Chemistry of emissions – Difference between zirc & hydrocarbons fire

March 21st, 2011 – Some questions have come up regarding the integrity of the SFP liner

March 22nd 2011 – Rundown of NISA Requests – Residual H2 in containments

March 22nd, 2011 – Radiological Consequences and SBO – External Panels

March 23rd, 2011 – Questions on Boric Acid Solubility in Seawater

March 23, 2011 – NRC Decides 20 and 30 Year Old Predictions of Stress Corrosion Cracking and Crack Growth Rate Need Careful Examination

March 23rd, 2011 – SES needs to make decision on concerns related to NPSH Credit for BWR Mark 1′s

March 23rd, 2011 – The EPA took RADNet down because they were getting data from ‘other’ sources

March 23rd, 2011 – What impact on license renewal? I’m thinking older plants a hard sell

March 23rd, 2011 – Licensing Activities Subject to Enhanced Handling Measures Post-Fukushima

March 23rd, 2011 – Regarding the NRC “Screening Process” – Never hurts to reinforce what’s already been stated

March 24th, 2011 – Core Damage Frequencies – GI-199 – Staff will re-examine some or all

March 24th, 2011 – Jack Grobe wants “all Generic Communications associated with Chernobyl”

March 25th, 2011 – Probability of Containment Failure – NUREG/CR 6920 – 1150

March 25th, 2011 – Can we predict a tsunami wave height? – Are the models valid?

March 25th, 2011 – Japanese Methods for Tsunami Analysis – Guidance Documents

March 25th, 2011- Issues with seawater in a BWR – Crack growth rate found to be 30 times higher than KAPL paper

March 25th, 2011 – Probability of Containment Failure – NUREG/CR 6920 – 1150

March 25th, 2011 – Paradigm shift as large as permanent lateral displacement of Japan

March 25th, 2011 – NISA – TEPCO – Understanding Core Condition (Ex-Vessel or not)

March 26th, 2011 – Mark 1 hydrogen explosion damaging torus/suppression pool

March 26th, 2011 – Mark 1 containment vulnerable to melt through – SBO

March 26th, 2011 – Fuel Coolant Interaction Analysis – Worse Case Melt Scenario

March 26th, 2011 – Mark 1 liner failure during severe accidents – Some made changes

March 26th, 2011 – Melt that relocates to lower head will be mixed with a lot of sea salt

March 26th, 2011 – Decommissioning Type Information –

March 27th, 2011 – Salt effects on molten core materials – Effects on energetics

March 27th, 2011 – NRC, GE, EPRI, INPO, Naval Reactors, and DOE Fukushima Severe Accident Management Measures

March 29th, 2011 – The SAMGs are specially designed for this situation, why are people trying to seem like no clear direction?

March 29th, 2011 – NRC shares Summary of TMI-2 fuel removal/cleanup with NISA

March 29th, 2011- Isotopic make up of spent fuel 5% enrichment

March 30th, 2011 – Nuclear Reactor Accidents: Three Mile Island and Fukushima – MIT ANES Symposium

March 30th, 2011 – Please fix the 18 year leaking saftety mechanisms at Indian Point ASAP.

March 30th, 2011 – Using Catawba and Browns Ferry MOX safety evaluation reports

March 31st, 2011 – Working on high priority spent fuel pool safety questions

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