SIP Proposal: California (limited approval and limited disapproval of permitting rules for the Mendocino County air quality management district).

EPA proposed amendments to NESHAPs for the manufacturing of nutritional yeast source category that would revise the form of the fermenter volatile organic compounds emission limits, change the testing and monitoring requirements, and update the reporting and recordkeeping requirements.

SIP Approval: Idaho (partial approval and partial disapproval of attainment plan for the Idaho portion of the Logan, UT-ID fine particulate matter nonattainment area).

SIP Proposal: Arizona (approve the second 10-year maintenance plans for the Ajo and Morenci areas in Arizona for the 1971 NAAQS for sulfur dioxide, and correct an error in the description of the Ajo, Arizona sulfur dioxide maintenance area in the Code of Federal Regulations).

SIP Approval: Texas (particulate matter and outdoor burning regulations).

United States v. Persimmon Lane, LLC, No. 1:17-cv-00017-CMH-IDD (E.D. Va. Jan. 9, 2017). A settling CERCLA defendant is required to sell the Hidden Lane Landfill Superfund site in Sterling, Virginia, and distribute the proceeds to the United States and other parties to resolve all CERCLA claims in connection with the site.

EPA proposed to establish a process for conducting risk evaluations to determine whether a chemical substance presents an unreasonable risk of injury to health or the environment, without consideration of costs or other non-risk factors, under TSCA.

United States v. Innophos, Inc., No. 17-26-SDD-RLB (M.D. La. Jan. 12, 2017). A settling RCRA defendant who sent hazardous waste to a facility not authorized to dispose of waste is required to pay $1,398,000 in civil penalties and dispose of the waste properly.

The president issued a memo on January 24, 2017, that instructs U.S. Army Corps of Engineers to review and approve construction of the Dakota Access Pipeline in an expedited manner.

SIP Approval: Wyoming (revisions addressing fine particulate matter PSD increments, significant impact levels and significant monitoring levels, and various infrastructure requirements).