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 ENTEK into the program
June 3, 2019: ENTEK submits Emissions Inventory and Categorically Insignificant Activities Form for DEQ 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 OAR 340-200-0020.
Aug. 8, 2019: DEQ requests supporting Emissions Inventory information
- DEQ’s response letter: DEQ requests supporting information to verify emissions reported in original Emissions Inventory submittal
Sept. 6, 2019: ENTEK provides a revised Emissions Inventory and supplemental information in response to DEQ’s request
Oct. 16, 2019: DEQ and ENTEK meet to discuss Emissions Inventory
Oct. 24, 2019: ENTEK sends DEQ a response letter including an extension request for gathering specific data relative to the Warning Letter with Opportunity to Correct.
Nov. 6, 2019: ENTEK provided the majority of data requested in the Warning Letter with Opportunity to Correct. DEQ sent ENTEK an extension approval letter for the remaining data not submitted.
Nov. 20, 2019: DEQ visited ENTEK to better understand the facility’s processes and emissions. DEQ is currently reviewing the submitted information while waiting on the remaining information requested in the Warning Letter with Opportunity to Correct.
Feb. 7, 2020: ENTEK letter submitted along with requested TCE service components and fugitive emissions data.
July 10, 2020: DEQ sends ENTEK amended Warning Letter outlining final corrective actions and timelines required for completed Emissions Inventory.
Aug. 7, 2020: ENTEK response to DEQ's amended Warning Letter.
Jan. 11, 2021: DEQ issues ENTEK a Pre-Enforcement Notice for violations related to corrective actions required in the Warning Letter.
Feb. 3, 2021: DEQ issues ENTEK a Notice of Civil Penalty and Order for violations related to corrective actions required in the Warning Letter.