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.

  • 2015-02-24; vol. 80 # 36 - Tuesday, February 24, 2015
    1. 80 FR 9613 - New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Louisiana
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Direct final rule; delegation of authority.
      This rule is effective on April 27, 2015 without further notice, unless EPA receives relevant adverse comment by March 26, 2015. If EPA receives such comment, EPA will publish a timely withdrawal in the Federal Register informing the public that the updated NESHAPs delegation will not take effect; however, the NSPS delegation will not be affected by such action.
      40 CFR Parts 60, 61, and 63

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This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

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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.

  • 2015-02-24; vol. 80 # 36 - Tuesday, February 24, 2015
    1. 80 FR 9613 - New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Louisiana
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Direct final rule; delegation of authority.
      This rule is effective on April 27, 2015 without further notice, unless EPA receives relevant adverse comment by March 26, 2015. If EPA receives such comment, EPA will publish a timely withdrawal in the Federal Register informing the public that the updated NESHAPs delegation will not take effect; however, the NSPS delegation will not be affected by such action.
      40 CFR Parts 60, 61, and 63