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

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View PDF at GPO Pt. 98, Subpt. HH, Table HH-3
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 and/or geomembrane cover system and active gas collection CE5: 95%.
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]

Title 40 published on 2014-07-01

The following are only the Rules published in the Federal Register after the published date of Title 40.

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  • 2014-12-24; vol. 79 # 247 - Wednesday, December 24, 2014
    1. 79 FR 77391 - Greenhouse Gas Reporting Program: Addition of Global Warming Potentials to the General Provisions and Amendments and Confidentiality Determinations for Fluorinated Gas Production; Correction
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      Final rule; correction.
      Effective January 1, 2015.
      40 CFR Part 98

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Title 40 published on 2014-07-01

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

  • 2015-02-05; vol. 80 # 24 - Thursday, February 5, 2015
    1. 80 FR 6495 - Greenhouse Gas Reporting Rule: 2015 Revisions and Confidentiality Determinations for Petroleum and Natural Gas Systems; Extension of Comment Period
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      Proposed rule.
      The comment period for the proposed rule published on December 9, 2014 (79 FR 73147) has been extended. Comments must be received on or before February 24, 2015.
      40 CFR Part 98