- 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.
 f
bio = 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 m
3) (kg/g), where standard temperature (gram-mole per standard m
3) 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, m
3/hr.
 QG = Volumetric flow rate of vented gas stream, dry standard, m
3/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/m
3.
 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, 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]
 
