40 CFR Part 63, Subpart G, Figure 1 to Subpart G of Part 63 - Definitions of Terms Used in Wastewater Equations

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View PDF at GPO Pt. 63, Subpt. G, Fig. 1
Figure 1 to Subpart G of Part 63—Definitions of Terms Used in Wastewater Equations
Main Terms
AMR=Actual mass removal of Table 8 and/or Table 9 compounds achieved by treatment process or a series of treatment processes, kg/hr.
C=Concentration of Table 8 and/or Table 9 compounds in wastewater, ppmw.
CG=Concentration of TOC (minus methane and ethane) or total organic hazardous air pollutants, in vented gas stream, dry basis, ppmv.
CGc=Concentration of TOC or organic hazardous air pollutants corrected to 3-percent oxygen, in vented gas stream, dry basis, ppmv.
CGS=Concentration of sample compounds in vented gas stream, dry basis, ppmv.
E=Removal or destruction efficiency, percent.
Fbio=Site-specific fraction of Table 8 and/or Table 9 compounds biodegraded, unitless.
fbio=Site-specific fraction of an individual Table 8 or Table 9 compound biodegraded, unitless.
Fm=Compound-specific fraction measured factor, unitless (listed in table 34).
Fr=Fraction removal value for Table 8 and/or Table 9 compounds, unitless (listed in Table 9).
Fravg=Flow-weighted average of the Fr values.
i=Identifier for a compound.
j=Identifier for a sample.
k=Identifier for a run.
K2=Constant, 41.57 * 10−9, (ppm)−1 (gram-mole per standard m3) (kg/g), where standard temperature (gram-mole per standard m3) is 20 °C.
m=Number of samples.
M=Mass, kg.
MW=Molecular weight, kg/kg-mole.
n=Number of compounds.
p=Number of runs.
%O2d=Concentration of oxygen, dry basis, percent by volume.
Q=Volumetric flowrate of wastewater, m3/hr.
QG=Volumetric flow rate of vented gas stream, dry standard, m3/min.
QMG=Mass flowrate of TOC (minus methane and ethane) or organic hazardous air pollutants, in vented gas stream, kg/hr.
QMW=Mass flowrate of Table 8 and/or Table 9 compounds in wastewater, kg/hr.
ρ=Density, kg/m3.
RMR=Required mass removal achieved by treatment process or a series of treatment processes, kg/hr.
tT=Total time of all runs, hr.
Subscripts
a=Entering.
b=Exiting.
i=Identifier for a compound.
j=Identifier for a sample.
k=Identifier for a run.
m=Number of samples.
n=Number of compounds.
p=Number of runs.
T=Total; sum of individual.
[59 FR 19468, Apr. 22, 1994, as amended at 59 FR 29201, June 6, 1994; 61 FR 63629-63630, Dec. 12, 1995; 62 FR 2779, Jan. 17, 1997; 63 FR 67793, Dec. 9, 1998; 64 FR 20195, Apr. 26, 1999; 65 FR 78284, Dec. 14, 2000; 66 FR 6935, Jan. 22, 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