Where:
CHCl,3% O2 = Concentration of HCl on a dry basis in ppmv corrected to 3 percent oxygen or 1 ppmv, whichever is greater;
CHCl = Concentration of HCl on a dry basis in ppmv, as measured by Method 26A in 40 CFR part 60, appendix A; and
%O2 = Oxygen concentration in percent by volume (dry basis).
Where:
EHCl = Emission rate of HCl in the vent stream, grams per hour;
K6 = Constant, 0.091 (parts per million)-1 (grams HCl per standard cubic meter) (minutes per hour), where the standard temperature (standard cubic meter) is at 20 degrees Celsius (C); and
Qs = Vent stream flow rate, dscm/min, at a temperature of 20 degrees C.
Where:
EHCl,i = Mass emission rate of HCl at control device inlet, g/hr; and
EHCl,o = Mass emission rate of HCl at control device outlet, g/hr.
Where:
CHCl,ppmvLimit = Maximum permissible HCl concentration for the HCl concentration operating limit, ppmv;
CHCl,AveTube = Average HCl concentration from the colormetric tube sampling system, calculated as the arithmetic average of the average HCl concentration measured for each performance test run, ppmv or 1 ppmv, whichever is greater; and
CHCl,RegLimit = Maximum permissible outlet HCl concentration for the applicable catalytic reforming unit as listed in Table 22 of this subpart, either 10 or 30 ppmv.
Where:
CHCl,%Limit = Maximum permissible HCl concentration for the percent reduction operating limit, ppmv;
%HCl ReductionLimit = Minimum permissible HCl reduction for the applicable catalytic reforming unit as listed in Table 22 of this subpart, either 97 or 92 percent; and
%HCl ReductionTest = Average percent HCl reduction calculated as the arithmetic average HCl reduction calculated using Equation 3 of this section for each performance source test, percent.
40 C.F.R. §63.1567