        Email Exchanges and Meeting Invitations on Contingency Measures

The attached documents include email exchanges and meeting invitations between EPA and Colorado regarding the topic of contingency measures.

 Email from Abby Fulton, EPA (Feb. 1, 2021) (forwarding Sierra Club decision). Attachment: 
 CAA Court Decision (2015 Ozone SRR) Email 020212021.pdf
            
 Email from Abby Fulton (May 6, 2021 (subject "Follow Up on Contingency Measure Percent Reduction Requirements and Control Measures Triggered Upon Failure to Attain"). Attachment:
 Follow Up on Contingency Measure Percent Reduction Email 05062021.pdf

 Email from Abby Fulton, with others in thread (Feb. 1, 2021) (subject "RE: EPA/APCD/RAQC Coordination") (agreeing to discuss Sierra Club as pertaining to contingency measures with CDPHE). Attachment:
 RE_ EPA_APCD_RAQC Coordination Email 02012021.pdf

 Email from Abby Fulton, with others in thread (June 8, 2021) (subject "RE: Contingency Measures Follow_Up and Meeting Request"): Attachment:
 RE_ Contingency Measures Follow_Up and Meeting Request Email 06082021.pdf

 Meeting invitation, subject "Contingency Measures Follow-Up" (July 20, 2021). Attachment:
 Contingency Measures Follow-Up.pdf
            
 Meeting invitation, subject "EPA/APCD/RACQ coordination" (March 15, 2023) (with agenda item including "update contingency measures"). Attachment:
 Updated invitation with note_ EPA_APCD_RACQ coordination @ Wed Mar 15, 202.pdf
            
 Email from Abby Fulton (March 17, 2023) (forwarding new draft guidance on approaches to meeting contingency measures requirements while complying with CAA as courts have interpreted it). Attachment:
 Contingency Measures Guidance Release and Additional Updates Email 03172023.pdf



This document was created on October 21, 2023, for posting to the "Supporting & Related Material" section of docket EPA-R08-OAR-2023-0272.
