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	Issue date	Title	Topic
ML20211D398	24 August 1999	Safety Evaluation Supporting Requested Actions to Licenses DPR-42 & DPR-60,respectively	Power-Operated Valves Backfit
ML20207B593	26 May 1999	SER Accepting Licensee Proposed Alternative to ASME Code for Surface Exam (PT) of Seal Welds on Threaded Caps for Unit 1 Reactor Vessel Head Penetrations for part-length CRDMs	High Radiation Area Hydrostatic VT-2 Liquid penetrant
ML20202J173	22 January 1999	Safety Evaluation Concluding That NSP Proposed Alternative to Surface Exam Requirements of ASME BPV Code for CRD Mechanism Canopy Seal Welds Will Provide Acceptable Level of Quality & Safety	Weld Overlay VT-2 Liquid penetrant
ML20237A817	5 August 1998	SER Related to USI A-46 Program GL 87-02 Implementation for Prairie Island Nuclear Generating Plant,Units 1 & 2	Safe Shutdown Safe Shutdown Earthquake Earthquake
ML20217M690	29 April 1998	Safety Evaluation Accepting Methodology for Relocation of Reactor Coolant Sys P/T Limit Curves & LTOP Sys Limits Proposed by NSP for Pingp,Units 1 & 2	Hydrostatic
ML20203H833	20 February 1998	SE Accepting Proposed Alternative to ASME Code for Surface Exam of Nonstructural Seal Welds for Prairie Island Nuclear Generating Plant,Unit 2	Hydrostatic Liquid penetrant
ML20148D544	16 May 1997	Safety Evaluation of Prairie Island Nuclear Generating Plant Individual Plant Exam	Ultimate heat sink Internal Flooding
ML20138J996	6 May 1997	Safety Evaluation Accepting Proposed Alternative to ASME Code for Surface Exam of CRD Mechanism Canopy Seal Welds	High Radiation Area Hydrostatic VT-2
ML20058N802	8 December 1993	Safety Evaluation Approving Third 10-yr IST Program Requests for Pumps & Valves,Per 10CFR50.55a(f)(6)(i) & 10CFR50.55a(a)(3)(i)
ML20127C007	4 January 1993	Supplemental SE Accepting Changes & Additions Described in Rev 1 to Design Rept for Station Blackout/Electrical Safeguards Upgrade Project
ML20127C029	4 January 1993	Safety Evaluation Accepting pressure-retaining Components of safety-related Auxiliary Fluid Sys Associated W/Edgs	Safe Shutdown Safe Shutdown Earthquake
ML20127C024	4 January 1993	Safety Evaluation Re Audit of Load Sequencer Implementation. Four of Five Items Reviewed Acceptable & Closed.One Open Item Remained Re Electromagnetic Environ Qualification for Lower Frequency Range of 30 Hz to 10 Khz	Commercial Grade Dedication
ML20127C015	4 January 1993	Safety Evaluation Accepting Instrumentation & Control Sys Aspects of Unit 2 Load Sequencer Sys in Station Blackout/ Electrical Safeguards Upgrade Project
ML20128A730	30 November 1992	Safety Evaluation Accepting Licensee 920921 120-day Response to Suppl 1 to GL 87-02 Re in-structure Response Spectra	Earthquake
ML20128A717	30 November 1992	Safety Evaluation Accepting Licensee 920921 120-day Response to Suppl 1 to GL 87-02 as Commitment to Entire GIP-2, Including Both SQUG Commitments & Implementation Guidance. In-structure Response Spectra Addressed in Separate SE
ML20151U118	17 August 1988	Safety Evaluation Re Compliance W/Atws Rule (10CFR50.62). Design Acceptable Contingent Upon Successful Completion of Human Factors Engineering Studies & Qualification of Isolation Devices	Anticipated operational occurrence
ML20235Y479	13 July 1987	Supplemental Safety Evaluation Accepting Util 870120 Requests for Relief from ASME Code Requirements Re Inservice Insp & Testing Program for Second 10-yr Interval	Stroke time Power Operated Valves
ML20205Q807	30 March 1987	SER Accepting Util 861104 & 840706 Responses to Generic Ltr 83-28,Item 4.5.2 Re ATWS Requirements for on-line Testing of Reactor Trip Sys
ML20205M526	27 March 1987	Safety Evaluation Denying Util 860819 Proposal to Reproduce Radiographs on Microfilm
ML20211Q297	18 February 1987	Safety Evaluation Re Auxiliary Feedwater Sys Reliability (Generic Issue 124) for Prairie Island Units 1 & 2	Probabilistic Risk Assessment Emergency Lighting
ML20209C215	21 January 1987	Safety Evaluation Re Auxiliary Feedwater Sys Reliability (Generic Issue 124) at Prairie Island Units 1 & 2.Util Actively Pursuing Improvements in Sys Reliability & Reducing Sys Challenges	Emergency Lighting
ML20214S413	26 November 1986	Safety Evaluation Finding Auxiliary Feedwater Sys Adequately Designed,Maintained & Operated.Licensee Actively Pursuing Improvements in Auxiliary Feedwater Sys Reliability & in Reducing Challenges to Sys	Safe Shutdown Probabilistic Risk Assessment Emergency Lighting
ML20214C923	14 November 1986	Safety Evaluation Supporting Amends 80 & 73 to Licenses DPR-42 & DPR-60,respectively
ML20212K880	15 August 1986	Corrected Safety Evaluation Accepting Util 860110 Projected Values of Matl Properties for Fracture Toughness Requirements for Protection Against Pressurized Thermal Shock Events
ML20203B155	11 July 1986	SER Re Util 831104 Response to Generic Ltr 83-28,Item 2.1 (Part 1), Equipment Classification. Program Acceptable. Exemption of Turbine Trip Component from Listing Also Acceptable
ML20202A753	23 June 1986	Safety Evaluation Supporting Projected Values of Matl Properties for Fracture Toughness Requirements for Protection Against Pressurized Thermal Shock Events
ML20199L449	23 June 1986	Safety Evaluation Re Util 860110 Projected Values of Matl Properties for Fracture Toughness Requirements for Protection Against Pressurized Thermal Shock Events.Response Acceptable
ML20211A379	30 May 1986	Safety Evaluation Re Use of VIPRE-01 Subchannel Thermal Hydraulic Code & WRB-1 Critical Heat Flux Correlation W/Min DNBR Limit of 1.17.Code & Correlation Acceptable
ML20211A211	27 May 1986	SER Supporting Util Response to Generic Ltr 83-28,Item 1.2, Post-Trip Review (Data & Info Capability)
ML20141N096	25 February 1986	Safety Evaluation Accepting K(Z) Curve & Current Tech Spec Fq Value of 2.32
ML20138H195	18 October 1985	Safety Evaluation Re Util 850422 & 0830 Ltrs Concerning Removal of Rod Cluster Control Guide Tube Thimble Plugs. Plan Acceptable
ML20133N202	18 October 1985	Safety Evaluation Accepting Util 830415,0915,850118 & 0606 Responses to Generic Ltr 82-33 Re Conformance of post- Accident Monitoring Instrumentation W/Rev 2 to Reg Guide 1.97
ML20138P630	17 October 1985	Safety Evaluation Re Util 831104 Response to Generic Ltr 83-28,Items 4.2.1 & 4.2.2 Concerning Reactor Trip Breaker Automatic Shunt Trip.Licensee Position on Items Acceptable
ML20138E166	11 October 1985	Safety Evaluation Re 850809 Inservice Insp of Components Relief Requests 29 & 66.Alternative Acceptable & Relief Should Be Granted	Hydrostatic
ML20133P052	5 August 1985	Safety Evaluation Accepting Util post-trip Review Program & Procedures.Nrc Action on Item 1.1 of Generic Ltr 83-28 Completed
ML20128M909	13 May 1985	Safety Evaluation Supporting Util 831104 Response to Generic Ltr 83-28,Items 3.1.1,3.1.2,3.2.1,3.2.2,4.1 & 4.5.1
ML20062B645	9 July 1982	Safety Evaluation Supporting Thermal Hydraulic Margins for Exxon Toprod for Cycle 7
ML20062B636	20 October 1981	Safety Evaluation Supporting Thermal Hydraulic Margins for Exxon Toprod for Cycle 7

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