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Responds to FOIA request for 12 categories of documents re facilities.Repts re MARCH code may be purchased from NTIS. Forwards documents listed in App A.Search for Items 3,6,7,9, 11 & 12 identified in request continuing.

Accession Number: ML20027A594

Date Released: Sunday, November 8, 2020

Package Contents

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• ML20028C435 - Responds to IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations," per NRC 780210 ltr.Emergency procedures will be implemented by 780930. (2 page(s), 3/22/1978)
• ML20028C497 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Action required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C420 - Advises that addl time required to adequately evaluate offgas sys & procedures,in response to IE Bulletin 78-03. Review of items noted in bulletin will be completed by 780501. (1 page(s), 3/24/1978)
• ML20028C500 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." No written response required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C466 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." No written response required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C506 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." No written response required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C415 - Discusses evaluation of consequences of postulated offgas sys failure at facilities.Recommends mods to sys or limiting operation at high offgas rates.Summary of accident calculations encl. (2 page(s), 8/10/1973)
• ML20028C424 - Responds to Items 2 & 3 of IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations," per 780428 ltr.Ventilation is sufficient to preclude accumulation of explosive hydrogen concentration. (2 page(s), 6/29/1978)
• ML20028C508 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Action required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C446 - Responds to IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations," per NRC 780210 ltr.Jersey Central Power & Light Co 780322 incomplete response to bulletin encl. (5 page(s), 4/14/1978)
• ML20028C437 - Responds to IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations," per NRC 780210 ltr.Ventilation flow sufficient to preclude undetectable explosive mixture. (5 page(s), 3/27/1978)
• ML20028C467 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." No written response required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C428 - Responds to IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Operating & emergency procedures provide adequate guidance in event of offgas sys detonation. (2 page(s), 3/27/1978)
• ML20028C464 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." No written response required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C433 - Responds to IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Operation & maint procedures adequate to ensure proper operation within sys design parameters. (2 page(s), 3/23/1978)
• ML20028C505 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Action required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C487 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." No written response required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C483 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Action required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C472 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Action required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C454 - Comments on Div of Operating Reactors proposed action on prevention of offgas explosions per IE Bulletin 78-03,in response to 790130 request.Concern re location of instrument readouts at facility expressed. (1 page(s), 2/7/1979)
• ML20028C503 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." No written response required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C411 - Forwards response to IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations," including reviews of operating,emergency & maint procedures & adequacy of ventilation. (4 page(s), 3/30/1978)
• ML20028C485 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." No written response required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C495 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Action required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C469 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." No written response required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C449 - Responds to IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Maint procedures will be revised to include appropriate caution statements. (1 page(s), 3/13/1978)
• ML20028C414 - Discusses evaluation of radiological consequences of postulated recombiner failure at facilities,per Effluent Treatment Sys Branch 730724 request.Tables listing consequences of shine & immersion doses & sources used encl. (4 page(s), 8/9/1973)
• ML20028C443 - Responds to IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Mods converting present loop seals to common large diameter reservoir in progress. (3 page(s), 3/29/1978)
• ML20028C465 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." No written response required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C492 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Action required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C451 - Responds to IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Procedure for recombiner shutdown revised & rupture discs & loop seals removed. (3 page(s), 3/25/1978)
• ML20028C405 - Advises that insp of licensee responses to IE Bulletin 78-03 per IE Manual Chapter 92703 completed as documented in listed IE insp repts,in response to 780825 request. (1 page(s), 10/13/1978)
• ML20028C474 - Forwards IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations." Action required.W/o encl. (1 page(s), 2/10/1978)
• ML20028C431 - Forwards response to IE Bulletin 78-03, "Potential Explosive Gas Mixture Accumulations Associated W/BWR Offgas Sys Operations," per NRC 780210 ltr.Plant design changes unnecessary. (8 page(s), 3/29/1978)