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

prev | next
Table 9 to Subpart GGG of Part 63 - Default Biorates for Soluble HAP
Compound name Biorate (K1),
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

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.

[ 66 FR 40137, Aug. 2, 2001]

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


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 63 after this date.

  • 2017-04-06; vol. 82 # 65 - Thursday, April 6, 2017
    1. 82 FR 16736 - Mercury and Air Toxics Standards (MATS) Electronic Reporting Requirements
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      This final rule is effective on April 6, 2017.
      40 CFR Part 63