40 CFR Part 63, Subpart GGG, Table 9 to Subpart GGG of Part 63 - Default Biorates for Soluble HAP

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View PDF at GPO Pt. 63, Subpt. GGG, Table 9
Table 9 to Subpart GGG of Part 63—Default Biorates for Soluble HAP
Compound name Biorate (K1),L/g MLVSS-hr
a For direct dischargers, the default biorate for methanol is 3.5 L/g MLVSS-hr; for indirect dischargers, the default biorate for methanol is 0.2 L/g MLVSS-hr.
Acetonitrile 0.100
Acetophenone 0.538
Diethyl sulfate 0.105
Dimethyl hydrazine(1,1) 0.227
Dimethyl sulfate 0.178
Dinitrotoluene(2,4) 0.784
Dioxane(1,4) 0.393
Ethylene glycol dimethyl ether 0.364
Ethylene glycol monobutyl ether acetate 0.496
Ethylene glycol monomethyl ether acetate 0.159
Isophorone 0.598
Methanol a
Nitrobenzene 2.300
Toluidine (-0) 0.859
Triethylamine 1.064
[66 FR 40137, Aug. 2, 2001]

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.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-11-19; vol. 79 # 223 - Wednesday, November 19, 2014
    1. 79 FR 68777 - Reconsideration of Certain Startup/Shutdown Issues: National Emission Standards for Hazardous Air Pollutants From Coal- and Oil-Fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial-Commercial-Institutional Steam Generating Units
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      ENVIRONMENTAL PROTECTION AGENCY
      Final rule; notice of final action on reconsideration.
      The effective date of the rule is November 19, 2014.
      40 CFR Parts 60 and 63

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United States Code

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 63 after this date.

  • 2014-11-19; vol. 79 # 223 - Wednesday, November 19, 2014
    1. 79 FR 68777 - Reconsideration of Certain Startup/Shutdown Issues: National Emission Standards for Hazardous Air Pollutants From Coal- and Oil-Fired Electric Utility Steam Generating Units and Standards of Performance for Fossil-Fuel-Fired Electric Utility, Industrial-Commercial-Institutional, and Small Industrial-Commercial-Institutional Steam Generating Units
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule; notice of final action on reconsideration.
      The effective date of the rule is November 19, 2014.
      40 CFR Parts 60 and 63