GroundRules
40 CFR Table HH-3 to Subpart HH of Part 98: Table HH-3 to Subpart HH of Part 98—Landfill Gas Collection Efficiencies
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER C—AIR PROGRAMS
- PART 98—MANDATORY GREENHOUSE GAS REPORTING
- Subpart HH—Municipal Solid Waste Landfills
Table HH-3 to Subpart HH of Part 98—Landfill Gas Collection Efficiencies
Description Term ID Landfill gas collection efficiency
A1: Area with no waste in-place Not applicable; do not use this area in the calculation.
A2: Area without active gas collection, regardless of cover type CE2 0%.
A3: Area with daily soil cover and active gas collection CE3 50%.
A4: Area with an intermediate soil cover, or a final soil cover not meeting the criteria for A5 below, and active gas collection CE4 65%.
A5: Area with a final soil cover of 3 feet or thicker of clay or final cover (as approved by the relevant agency) and/or geomembrane cover system and active gas collection CE5 85%.
Area weighted average collection efficiency for landfills CEave1 = (A2*CE2 + A3*CE3 + A4*CE4 + A5*CE5)/(A2 + A3 + A4 + A5).
Collected 2026-08-27T02:26:04Z. Source file · JSON