(a) For each municipal solid waste landfill subject to this subpart having a design capacity equal to or exceeding two and one-half million (2,500,000) megagrams by mass or two and one-half million (2,500,000) cubic meters by volume, the owner or operator shall:

1. (1) Prepare an initial NMOC emission rate report using the emission rate calculation procedures specified in 40 C.F.R. § 60.35f(a);
2. (2) Recalculate the NMOC emission rate annually in accordance with the procedures specified in 40 C.F.R. § 60.35f(a), except as provided in 40 C.F.R. § 60.38f(c)(3); and
3. (3) Follow the procedures specified in 40 C.F.R. § 60.33f(e)(1) – (3).

(b)

1. (1) For demonstrations using the Tier 4 provisions of 40 C.F.R. § 60.35f(a)(6), the owner or operator shall notify the Division of Environmental Quality of the date or dates upon which the owner or operator intends to demonstrate that site-specific surface methane emissions are below five hundred parts per million (500 ppm) methane.
2. (2) The notification shall include a description of the wind barrier to be used during the surface emission monitoring described in the notification.
3. (3) The notification must be postmarked or delivered to the division not less than thirty (30) days prior to the date or dates on which surface emissions monitoring is scheduled to occur.