For an introduction to emissions inventories and why they matter, please see EPA’s Fact Sheet. DEQ is currently finalizing a fact sheet specific to our Cleaner Air Oregon program. A facility-specific emissions inventory timeline and associated documents are linked below.
March 4, 2019: DEQ calls Columbia Steel into the program
April 29, 2019: Columbia Steel notifies DEQ of its intent to source test its baghouses
July 17, 2019: Columbia Steel submits source testing extension request with source testing scheduled for Sept. 23 – Oct. 2, 2019
Aug. 9, 2019: DEQ grants source test extension request
Aug. 23, 2019: Columbia Steel submits Source Test Protocol detailing proposed source testing conditions for DEQ approval
Sep. 17, 2019: Columbia Steel submits source testing extension request due to change in operations
Oct. 30, 2019: DEQ met with facility to discuss source testing and submittal timelines.
Nov. 13, 2019: DEQ responds to Columbia Steel’s extension request with a timeline for deliverables
Nov. 22, 2019: Columbia Steel completed initial engineering testing that will inform final source testing for the CAO emissions inventory submittal.
Jan. 10, 2020: DEQ holds a conference call with Columbia Steel to discuss the status of Cleaner Air Oregon Implementation
Feb. 7, 2020: DEQ holds a conference call with Columbia Steel to discuss the status of Cleaner Air Oregon Implementation
March 4, 2020: DEQ holds a conference call with Columbia Steel to discuss the status of Cleaner Air Oregon Implementation
April 10, 2020: DEQ holds a conference call with Columbia Steel to discuss the status of Cleaner Air Oregon Implementation
May 7, 2020: DEQ holds a conference call with Columbia Steel to discuss the status of Cleaner Air Oregon Implementation
June 4, 2020: DEQ holds a conference call with Columbia Steel to discuss the status of Cleaner Air Oregon Implementation
July 9, 2020: DEQ holds a conference call with Columbia Steel to discuss the status of Cleaner Air Oregon Implementation
Aug. 5, 2020: DEQ holds a conference call with Columbia Steel to discuss the status of Cleaner Air Oregon Implementation
Sept. 17, 2020: Columbia Steel submits source testing extension request
Sept. 25, 2020: DEQ response to source testing extension request
Oct. 28, 2020: DEQ holds a conference call with Columbia Steel to discuss the status of Cleaner Air Oregon Implementation
Nov. 6, 2020: Columbia Steel submits request to remove Baghouse 26 from Source Test Protocol.
Nov. 23, 2020: DEQ response requesting Baghouse 26 Sampling and Analysis Plan sent.
Dec. 4, 2020: Columbia Steel submits Baghouse 26 Sampling and Analysis Plan.
Dec. 12 - 17, 2020: Columbia Steel performed baghouse source testing
Dec. 17, 2020: DEQ response requesting Sampling and Analysis Plan revisions sent.
Dec. 31, 2020: Columbia Steel submits revised Baghouse 26 Sampling and Analysis Plan
Jan. 20, 2021: DEQ approves Baghouse 26 Sampling and Analysis Plan.
Feb.16, 2021: Columbia Steel submits Source Test Report from December source testing that is in DEQ review.
March 29, 2021: Columbia Steel submits Baghouse 26 Dust Sampling Summary Report
April 9, 2021: Upon DEQ request, Columbia Steel submits revised Source Test Report from December source testing.
April 26, 2021: DEQ approves Source Test Report and Baghouse 26 Dust Sampling Summary Report
May 26, 2021: Columbia Steel submits revised Emissions Inventory for DEQ review
July 15, 2021: DEQ requests revisions to Emissions Inventory and Modeling Protocol and Risk Assessment Work Plan
July 30, 2021: Columbia Steel submits extension request
Aug. 4, 2021: DEQ responds to extension request
Aug. 17, 2021: Columbia Steel submits supporting information
Sept.16, 2021: Columbia Steel submits revised Emissions Inventory
Oct. 27, 2021: DEQ requests revisions to the Emissions Inventory
Nov. 30, 2021: Columbia Steel submits revised Emissions Inventory and supporting information
Jan. 5, 2022: DEQ issues Warning Letter with Opportunity to Correct
April 14, 2022: DEQ sent letter regarding revised reporting requirements for exempt TEUs