40 CFR Appendix Table HH-3 to Subpart HH of Part 98, Landfill Gas Collection Efficiencies

Table HH-3 to Subpart HH of Part 98 - Landfill Gas Collection Efficiencies
Description 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: 60%.
A4: Area with an intermediate soil cover, or a final soil cover not meeting the criteria for A5 below, and active gas collection CE4: 75%.
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: 95%.
Weighted average collection efficiency for landfills:
Area weighted average collection efficiency for landfills CEave1 = (A2*CE2 A3*CE3 A4*CE4 A5*CE5) / (A2 A3 A4 A5).
[ 74 FR 56374, Oct. 30, 2009, as amended at 75 FR 66474, Oct. 28, 2010; 81 FR 89266, Dec. 9, 2016]

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United States Code

Title 40 published on 2015-08-22

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 98 after this date.

  • 2016-12-09; vol. 81 # 237 - Friday, December 9, 2016
    1. 81 FR 89188 - 2015 Revisions and Confidentiality Determinations for Data Elements Under the Greenhouse Gas Reporting Rule
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule; notice of final action on reconsideration.
      This rule is effective on January 1, 2017, except for amendatory instructions 3, 5, 6, 8, 10 through 25, 31 through 34, 36, 38 through 44, 46 through 50, 55 through 61, 63, 64, and 69 through 92, which are effective on January 1, 2018; and amendatory instructions 35, 37, 45, 51 through 54, which are effective on January 1, 2019. The incorporation by reference of certain publications listed in 40 CFR 98.7(l) and 40 CFR 98.324 is approved by the Director of the Federal Register as of January 1, 2017. The incorporation by reference of certain publications listed in 40 CFR 98.7(e), 40 CFR 98.34, and 40 CFR 98.36 is approved by the Director of the Federal Register as of January 1, 2018.
      40 CFR Part 98