SIP Proposal: Utah (revisions to Utah Administrative Code). 

SIP Proposal: Indiana (infrastructure requirements for the 2015 ozone NAAQS and incorporation by reference of the Code of Federal Regulations).  

The Rural Housing Service, Rural Business-Cooperative Service, and Rural Utilities Service updated the definition of "Rural area" for every Rural Development program using the Consolidated Farm and Rural Development Act definition to conform to the revision to the statutory definition in the 2018 Farm Bill.

SIP Approval: California (negative declarations for certain control techniques guidelines in the San Diego Air Pollution Control District for the 2008 and 2015 ozone NAAQS). 

DOE announced the availability of three allocation formulas that will be used to distribute funds to local governments, states, and Indian tribes through the Energy Efficiency and Conservation Block Grant Program under the Energy Independence and Security Act. 

SIP Proposal: New Mexico (interstate transport requirements for the 2010 one-hour nitrogen dioxide NAAQS). 

SIP Approval: Connecticut (nonattainment new source review requirements and reasonably available control technology requirements for the 2008 and 2015 ozone NAAQS). 

EPA announced the availability of and seeks comment on draft guidance for state officials submitting applications to the Agency to establish vessel sewage no-discharge zones under the CWA. 

SIP Proposal: Virginia (negative declaration for the Northern Virginia volatile organic compound emissions control area subject to the 2016 oil and natural gas control techniques guidelines for the 2015 ozone NAAQS). 

SIP Proposal: Delaware (control of volatile organic compounds emissions from solvent cleaning and drying).