Web Updates

2026 Advisory Board and Public Meetings

February

1. Presentations for the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue):
   • NIOSH Presentation: Data Completeness in Co-Exposure Models

United Nuclear Corp.

Special Exposure Cohort Petition Information

1. Petitions Qualified for Evaluation:
   • Petition 267 (January 1, 1958, through June 30, 1965)
     • Copy of Petition 267 (August 19, 2025)

2025 Advisory Board and Public Meetings

December

1. Transcript for the December 3, 2025, Teleconference Meeting of the Advisory Board on Los Alamos National Laboratory (LANL)
2. Meeting minutes for the December 3, 2025, Teleconference Meeting of the Advisory Board on Los Alamos National Laboratory (LANL)

Los Alamos National Laboratory (LANL)

Advisory Board Work Group on Los Alamos National Laboratory (LANL)

1. Transcript for the December 3, 2025, Teleconference Meeting of the Advisory Board on Los Alamos National Laboratory (LANL)
2. Meeting minutes for the December 3, 2025, Teleconference Meeting of the Advisory Board on Los Alamos National Laboratory (LANL)

2026 Advisory Board and Public Meetings

January

1. Agenda for the January 29, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Pinellas Plant

Pinellas Plant

Advisory Board Work Group on the Pinellas Plant

1. Agenda for the January 29, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Pinellas Plant

2026 Advisory Board and Public Meetings

February

1. Agenda for the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue)

2026 Advisory Board and Public Meetings

February

1. Agenda for the February 19, 2026, Teleconference Meeting of the Advisory Board on Radiation and Worker Health

2026 Advisory Board and Public Meetings

February

1. Presentations for the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue):
   • SC&A Presentation: SC&A Comments on NIOSH White Paper, “A Discussion of Completeness in Co-Exposure Models”
   • SC&A Presentation: SC&A’S Evaluation of ORAUT-OTIB-0075, Revision 01, “Use of Claimant Datasets for Coworker Modeling”

January

1. Presentations for the January 29, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Pinellas Plant:
   • SC&A Presentation: SC&A Supplemental Review of SEC-00256 Petition Evaluation Report for Pinellas Plant
2. Presentations for the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews:
   • SC&A Presentation: A Review of NIOSH’s Program Evaluation Report DCAS-PER-034, “Harshaw Chemical Company TBD Revision”
   • SC&A Presentation: DCAS-PER-083, Subtask 4: Review of Two Advisory Board-Selected Cases Reworked for the Evaluation of DCAS-PER-083
   • SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-039, “Baker Perkins TBD Revision”

Advisory Board: Reports from the Technical Support Contractor

Index — B

1. Baker-Perkins Co.:
   • SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-039, “Baker Perkins TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Index — C

1. Coworker Datasets, Models, and Studies:
   • SC&A Presentation: SC&A Comments on NIOSH White Paper, “A Discussion of Completeness in Co-Exposure Models” (Presentation at the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue))

Index — H

1. Harshaw Chemical Company:
   • SC&A Presentation: A Review of NIOSH’s Program Evaluation Report DCAS-PER-034, “Harshaw Chemical Company TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Index — M

1. Mound Plant:
   • SC&A Presentation: SC&A’S Evaluation of ORAUT-OTIB-0075, Revision 01, “Use of Claimant Datasets for Coworker Modeling” (Presentation at the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue))

Index — N

1. Nevada Test Site:
   • SC&A Presentation: SC&A Comments on NIOSH White Paper, “A Discussion of Completeness in Co-Exposure Models” (Presentation at the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue))

Index — P

1. Pinellas Plant:
   • SC&A Presentation: SC&A Supplemental Review of SEC-00256 Petition Evaluation Report for Pinellas Plant (Presentation at the January 29, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Pinellas Plant)
2. Program Evaluation Reports (PERs):
   • SC&A Presentation: A Review of NIOSH’s Program Evaluation Report DCAS-PER-034, “Harshaw Chemical Company TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
   • SC&A Presentation: DCAS-PER-083, Subtask 4: Review of Two Advisory Board-Selected Cases Reworked for the Evaluation of DCAS-PER-083 (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
   • SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-039, “Baker Perkins TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Index — S

1. Savannah River Site:
   • SC&A Presentation: SC&A’S Evaluation of ORAUT-OTIB-0075, Revision 01, “Use of Claimant Datasets for Coworker Modeling” (Presentation at the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue))

Index — T

1. Technical Documents (Technical Information Bulletins):
   • SC&A Presentation: SC&A’S Evaluation of ORAUT-OTIB-0075, Revision 01, “Use of Claimant Datasets for Coworker Modeling” (Presentation at the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue))

Index — W

1. Weldon Spring Plant:
   • SC&A Presentation: DCAS-PER-083, Subtask 4: Review of Two Advisory Board-Selected Cases Reworked for the Evaluation of DCAS-PER-083 (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Index — Y

1. Y-12 Plant:
   • SC&A Presentation: SC&A’S Evaluation of ORAUT-OTIB-0075, Revision 01, “Use of Claimant Datasets for Coworker Modeling” (Presentation at the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue))

Baker-Perkins Co.

Advisory Board and NIOSH Discussions on Baker-Perkins Co.

1. SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-039, “Baker Perkins TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Harshaw Chemical Company

Advisory Board and NIOSH Discussions on Harshaw Chemical Company

1. SC&A Presentation: A Review of NIOSH’s Program Evaluation Report DCAS-PER-034, “Harshaw Chemical Company TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Mound Plant

Advisory Board and NIOSH Discussions on Mound Plant

1. SC&A Presentation: SC&A’S Evaluation of ORAUT-OTIB-0075, Revision 01, “Use of Claimant Datasets for Coworker Modeling” (Presentation at the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue))

Pinellas Plant

Advisory Board Work Group on the Pinellas Plant

1. Presentations for the January 29, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Pinellas Plant:
   • SC&A Presentation: SC&A Supplemental Review of SEC-00256 Petition Evaluation Report for Pinellas Plant

Advisory Board and NIOSH Comments and Discussion Papers on Pinellas Plant

1. SC&A Presentation: SC&A Supplemental Review of SEC-00256 Petition Evaluation Report for Pinellas Plant (Presentation at the January 29, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Pinellas Plant)

Savannah River Site (SRS)

Advisory Board and NIOSH Discussions on Savannah River Site (SRS)

1. SC&A Presentation: SC&A’S Evaluation of ORAUT-OTIB-0075, Revision 01, “Use of Claimant Datasets for Coworker Modeling” (Presentation at the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue))

Weldon Spring Plant

Advisory Board and NIOSH Comments and Discussion Papers on Weldon Spring Plant

1. SC&A Presentation: DCAS-PER-083, Subtask 4: Review of Two Advisory Board-Selected Cases Reworked for the Evaluation of DCAS-PER-083 (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Y-12 Plant

Advisory Board and NIOSH Comments and Discussions on the Y-12 Plant

1. SC&A Presentation: SC&A’S Evaluation of ORAUT-OTIB-0075, Revision 01, “Use of Claimant Datasets for Coworker Modeling” (Presentation at the February 11, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Special Exposure Cohort (SEC) Issues (including the 250 day issue))

2026 Advisory Board and Public Meetings

January

1. Presentations for the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews:
   • SC&A Handout: SPR-Approved Document Reviews
   • SC&A Presentation: Review of NIOSH Program Evaluation Report DCAS-PER-079, “Pinellas Plant TBD Revision”
   • SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-036, “Blockson TBD Revision”
   • SC&A Presentation: DCAS-PER-040, Subtask 4: Review of Four Reworked Cases for the Evaluation of DCAS-PER-040
   • SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-075, “Battelle Memorial Institute TBD Revision”
   • SC&A Presentation: Review of ORAUT-OTIB-0040, Revision 00 PC-1, “External Coworker Dosimetry Data for the Portsmouth Gaseous Diffusion Plant”
   • SC&A Handout: Sites with Unreviewed DR Methodology Templates and Reports
   • SC&A Presentation: Review of ORAUT-OTIB-0036, Revision 00, “Internal Coworker Bioassay Data for Portsmouth Gaseous Diffusion Plant”

Advisory Board: Reports from the Technical Support Contractor

Index — B

1. Battelle Laboratories (King Avenue):
   • SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-075, “Battelle Memorial Institute TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
2. Battelle Laboratories (West Jefferson):
   • SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-075, “Battelle Memorial Institute TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
3. Blockson Chemical Company:
   • SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-036, “Blockson TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Index — D

1. Dose Reconstruction Procedures and Methods:
   • SC&A Handout: SPR-Approved Document Reviews (Presentation Handout at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
   • SC&A Handout: Sites with Unreviewed DR Methodology Templates and Reports (Presentation Handout at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Index — M

1. Mallinckrodt Chemical Co., Destrehan St. Plant:
   • SC&A Presentation: DCAS-PER-040, Subtask 4: Review of Four Reworked Cases for the Evaluation of DCAS-PER-040 (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Index — P

1. Pinellas Plant:
   • SC&A Presentation: Review of NIOSH Program Evaluation Report DCAS-PER-079, “Pinellas Plant TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
2. Portsmouth Gaseous Diffusion Plant:
   • SC&A Presentation: Review of ORAUT-OTIB-0040, Revision 00 PC-1, “External Coworker Dosimetry Data for the Portsmouth Gaseous Diffusion Plant” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
   • SC&A Presentation: Review of ORAUT-OTIB-0036, Revision 00, “Internal Coworker Bioassay Data for Portsmouth Gaseous Diffusion Plant” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
3. Program Evaluation Reports (PERs):
   • SC&A Presentation: Review of NIOSH Program Evaluation Report DCAS-PER-079, “Pinellas Plant TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
   • SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-036, “Blockson TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
   • SC&A Presentation: DCAS-PER-040, Subtask 4: Review of Four Reworked Cases for the Evaluation of DCAS-PER-040 (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
   • SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-075, “Battelle Memorial Institute TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Index — T

1. Technical Documents (Technical Information Bulletins):
   • SC&A Presentation: Review of ORAUT-OTIB-0040, Revision 00 PC-1, “External Coworker Dosimetry Data for the Portsmouth Gaseous Diffusion Plant” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
   • SC&A Presentation: Review of ORAUT-OTIB-0036, Revision 00, “Internal Coworker Bioassay Data for Portsmouth Gaseous Diffusion Plant” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Battelle Laboratories – King Avenue

Advisory Board and NIOSH Discussions on Battelle Laboratories – King Avenue

1. SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-075, “Battelle Memorial Institute TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Battelle Laboratories – West Jefferson

Advisory Board and NIOSH Discussions on Battelle Laboratories – West Jefferson

1. SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-075, “Battelle Memorial Institute TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Blockson Chemical Company

Advisory Board and NIOSH Discussions on Blockson Chemical Company

1. SC&A Presentation: Review of NIOSH’s Program Evaluation Report DCAS-PER-036, “Blockson TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Mallinckrodt Chemical Co., Destrehan St. Plant

Advisory Board and NIOSH Comments and Discussion Papers on Mallinckrodt Chemical Co., Destrehan St. Plant

1. SC&A Presentation: DCAS-PER-040, Subtask 4: Review of Four Reworked Cases for the Evaluation of DCAS-PER-040 (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Pinellas Plant

Advisory Board and NIOSH Comments and Discussion Papers on Pinellas Plant

1. SC&A Presentation: Review of NIOSH Program Evaluation Report DCAS-PER-079, “Pinellas Plant TBD Revision” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Portsmouth Gaseous Diffusion Plant

Advisory Board and NIOSH Discussions on Portsmouth Gaseous Diffusion Plant

1. SC&A Presentation: Review of ORAUT-OTIB-0040, Revision 00 PC-1, “External Coworker Dosimetry Data for the Portsmouth Gaseous Diffusion Plant” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)
2. SC&A Presentation: Review of ORAUT-OTIB-0036, Revision 00, “Internal Coworker Bioassay Data for Portsmouth Gaseous Diffusion Plant” (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

2026 Advisory Board and Public Meetings

January

1. Presentations for the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews:
   • SC&A Presentation: DCAS-PER-051, Subtask 4: Review of Three Advisory Board-Selected Cases Reworked for the Evaluation of DCAS-PER-051

Advisory Board: Reports from the Technical Support Contractor

Index — P

1. Program Evaluation Reports (PERs):
   • SC&A Presentation: DCAS-PER-051, Subtask 4: Review of Three Advisory Board-Selected Cases Reworked for the Evaluation of DCAS-PER-051 (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Index — W

1. Weldon Spring Plant:
   • SC&A Presentation: DCAS-PER-051, Subtask 4: Review of Three Advisory Board-Selected Cases Reworked for the Evaluation of DCAS-PER-051 (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

Weldon Spring Plant

Advisory Board and NIOSH Comments and Discussion Papers on Weldon Spring Plant

1. SC&A Presentation: DCAS-PER-051, Subtask 4: Review of Three Advisory Board-Selected Cases Reworked for the Evaluation of DCAS-PER-051 (Presentation at the January 28, 2026, Teleconference Meeting of the Subcommittee for Procedure Reviews)

2026 Advisory Board and Public Meetings

February

1. February 19, 2026: Teleconference Meeting of the Advisory Board on Radiation and Worker Health

Savannah River Site (SRS)

Advisory Board and NIOSH Discussions on Savannah River Site (SRS)

1. NIOSH/ORAU: Savannah River Site Decontamination Facility Attendant (DFA) Whole Body-to-Extremity Dose Relationships, ORAUT-OTIB-0095, Revision 00 (December 2, 2025)

Technical Information Bulletins (TIBs) — Numerical Listing

Active Technical Information Bulletins (TIBs)

1. Index — 60:
   • Internal Dose Reconstruction, ORAUT-OTIB-0060, Revision 03 (November 25, 2025)
2. Index — 95:
   • Savannah River Site Decontamination Facility Attendant (DFA) Whole Body-to-Extremity Dose Relationships, ORAUT-OTIB-0095, Revision 00 (December 2, 2025)

Document Archive for Technical Information Bulletins (TIBs)

1. Index — 60:
   • Internal Dose Reconstruction, ORAUT-OTIB-0060, Revision 02 (April 20, 2018)

2026 Advisory Board and Public Meetings

January

1. Presentations for the January 29, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Pinellas Plant:
   • NIOSH/DCAS Presentation: NIOSH Response to Supplemental SC&A Review of the SEC Petition Evaluation Report for SEC-00256: Pinellas Plant

Pinellas Plant

Advisory Board Work Group on the Pinellas Plant

1. Presentations for the January 29, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Pinellas Plant:
   • NIOSH/DCAS Presentation: NIOSH Response to Supplemental SC&A Review of the SEC Petition Evaluation Report for SEC-00256: Pinellas Plant

Advisory Board and NIOSH Comments and Discussion Papers on Pinellas Plant

1. NIOSH/DCAS Presentation: NIOSH Response to Supplemental SC&A Review of the SEC Petition Evaluation Report for SEC-00256: Pinellas Plant (Presentation at the January 29, 2026, Teleconference Meeting of the Advisory Board’s Work Group on the Pinellas Plant)