(a) The following plan revisions were submitted on the dates specified.

(1) On January 12, 1993, the New Hampshire Department of Environmental Services submitted a small business stationary source technical and environmental compliance assistance program (PROGRAM). On May 19, 1994, New Hampshire submitted a letter deleting portions of the January 12, 1993 submittal. In these submissions, the State commits to designate a state agency to house the small business ombudsman and to submit adequate legal authority to establish and implement a compliance advisory panel and a small business ombudsman. Additionally, the State commits to have a fully operational PROGRAM by November 15, 1994.

(i) Incorporation by reference. (A) Letter from the New Hampshire Department of Environmental Services dated January 12, 1993 submitting a revision to the New Hampshire State Implementation Plan.

(B) State Implementation Plan Revision for a Small Business Technical and Environmental compliance Assistance Program dated January 12, 1993.

(C) Letter from the New Hampshire Department of Environmental Services dated May 19, 1994 revising the January 12, 1993 submittal.

(ii) Additional materials. (A) Non-regulatory portions of the State submittal.

(2)-(11) [Reserved]

(12) On December 22, 2022, the New Hampshire Department of Environmental Services (NHDES) submitted a request to amend New Hampshire's Env-A 300, “Ambient Air Quality Standards” regulation, as a revision to New Hampshire's State Implementation Plan (SIP). NHDES revised this regulation to incorporate into its SIP revised National Ambient Air Quality Standards (NAAQS). On March 6, 2024, EPA strengthened the fine particulate matter (PM2.5) primary annual NAAQS. On May 16, 2024, New Hampshire submitted a letter to EPA committing to adopt a revised version of Env-A 300 which includes the current EPA PM2.5 primary annual NAAQS.

(b)-(c) [Reserved]