['Air Programs']

['Greenhouse Gases']

01/23/2025

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Air Programs - Greenhouse Gases

Table HH–3 to Subpart HH of Part 98 – Landfill Gas Collection Efficiencies

RegSense Greenhouse Gases CFR Regulations Environmental Protection Agency (EPA)Focus Area USA English Air Programs CFR Appendix

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 = (A2CE2 + A3CE3 + A4CE4 + A5CE5)/(A2 + A3 + A4 + A5).

[81 FR 89266, Dec. 9, 2016; 89 FR 31941, Apr. 25, 2024]

['Air Programs']

['Greenhouse Gases']

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