EPA proposed amendments to NESHAPs for the oil and gas industry issued under the CAA that would remove the affirmative defense provisions of NESHAPs for both the Oil and Natural Gas Production source category and the Natural Gas Transmission and Storage source category.

EPA Region 6 announced an initial revised designation determination that stormwater discharges from the Los Alamos Urban Area (as defined by the latest decennial Census) and Los Alamos National Laboratory property in Los Alamos County and Santa Fe County, New Mexico, are contributing to violations of New Mexico water quality standards and require NPDES permit coverage under the CWA.

EPA announced the availability of the letter it sent to West Virginia acknowledging West Virginia's delegation of authority to implement and enforce NESHAPs and the New Source Performance Standards.

EPA announced the availability of the letter it sent to Virginia acknowledging Virginia's delegation of authority to implement and enforce NESHAPs and the New Source Performance Standards.