Emissions Inventory

For an introduction to emissions inventories and why they matter, please see EPA’s Fact Sheet. A facility-specific emissions inventory timeline and associated documents are linked below.

December 2, 2019: LRAPA calls Seneca Sustainable Energy into the program

• LRAPA's call in letter to Seneca Sustainable Energy.

February 27, 2020: Seneca Sustainable Energy submits Emissions Inventory and Categorically Insignificant Activities Form for LRAPA review

• Cover letter for emissions inventory submittal.
• Emissions Inventory: An Emissions Inventory is a list of each toxic air contaminant regulated under the Cleaner Air Oregon rules that a facility emits in a given year. The Emissions Inventory includes the amount of each toxic air contaminant emitted from each individual emissions-producing activity.
• Categorically Insignificant Activities (Form ED601): Categorically Insignificant Activities are activities that are likely to have insignificant emissions that are not part of a facility’s primary production process. Categorically Insignificant Activities are defined in LRAPA Title 12.

 June 15, 2020: LRAPA approves the Emissions Inventory submitted by Seneca Sustainable Energy

• LRAPA's emissions inventory approval letter.
• Final emissions inventory at maximum heat input rating.
• Final emissions inventory for startup/shutdown periods.

Modeling Protocol & Risk Assessment

July 8, 2020: Seneca Sustainable Energy provides initial Level 3 modeling protocol and risk assessment workplan.

• Seneca Sustainable Energy's modeling protocol and risk assessment workplan.
• Seneca Sustainable Energy's target organ analysis.

September 24, 2020: LRAPA approves the modeling protocol and risk assessment workplan.

• LRAPA's modeling protocol and risk assessment workplan approval letter.
• Seneca Sustainable Energy's cover letter for the revised modeling protocol and risk assessment workplan.
• Seneca Sustainable Energy's revised modeling protocol and risk assessment workplan.
• Seneca Sustainable Energy's revised target organ analysis.

Risk Assessment Report

January 3, 2021:  Seneca Sustainable Energy submitted an initial Level 3 Risk Assessment report to LRAPA for review.

• Seneca Sustainable Energy’s initial Level 3 Risk Assessment report (2020-12-28 SSE Risk Assessment document).
• Seneca Sustainable Energy’s supporting spreadsheet for the initial Level 3 Risk Assessment report (CAO_SEN_2020_12_28 document). 

April 1, 2021: Seneca Sustainable Energy submitted a final Level 3 Risk Assessment report incorporating changes requested by LRAPA.

• Seneca Sustainable Energy’s final Level 3 Risk Assessment report (2021-03-31 Final SSE Risk Assessment)
• Seneca Sustainable Energy’s supporting spreadsheet for the final Level 3 Risk Assessment report (CAO_SEN_2021_03_29)

September 8th, 2021: LRAPA hosted a virtual community meeting sharing the preliminary Risk Assessment and providing avenues for feedback.

• Presentation materials from the 9/8/2021 meeting (SSE_Community_Meeting_Slides).
• Meeting summary and notes from the 9/2/2021 meeting (SSE_Community_Meeting_Summary).
• A recording of the meeting is at the bottom of this webpage.

September 28th, 2021: LRAPA approves SSE's Risk Assessment.

• LRAPA's approval letter of SSE's risk assessment. (SSE CAO Risk Assessment Approval Letter)

May 23rd, 2022: Seneca Sustainable Energy submits addendum to the Risk Assessment to account for updated Cleaner Air Oregon rules that evaluates emission units which were previously exempt.

• SSE's risk assessment addendum. (2022-05-23 SSE Risk Assessment Addendum)

Risk Reduction Plan

Seneca Sustainable Energy, LLC (SSE) has yet to submit for this step of the Cleaner Air Oregon process. If necessary, this field will be updated once the facility reaches the Risk Reduction portion of CAO.

Completed Cleaner Air Oregon Process

Seneca Sustainable Energy, LLC (SSE) has yet to submit for this step of the Cleaner Air Oregon process. This field will be updated once the facility reaches the Risk Assessment portion of CAO.