Where:
Ci = Average particulate matter concentration for emission unit, grains per dry standard cubic foot, (gr/dscf);
C1 = Particulate matter concentration for run 1 corresponding to emission unit, gr/dscf;
C2 = Particulate matter concentration for run 2 corresponding to emission unit, gr/dscf; and
C3 = Particulate matter concentration for run 3 corresponding to emission unit, gr/dscf.
Where:
Ca = Flow-weighted mean concentration of particulate matter for all emission units within affected source, (gr/dscf);
Ci = Average particulate matter concentration measured during the performance test from emission unit "i" in affected source, as determined using Equation 1 of this section, gr/dscf;
Qi = Average volumetric flow rate of stack gas measured during the performance test from emission unit "i" in affected source, dscf/hr; and
n = Number of emission units in affected source.
Where:
Ca = Flow-weighted mean concentration of particulate matter for all emission units within affected source, gr/dscf;
Ck = Average particulate matter concentration measured during the performance test from the representative emission unit in group "k" of affected source "a," as determined using Equation 1 of this section, gr/dscf;
Qk = Sum of the maximum operating volumetric flow rates of stack gas from all similar emission units within group "k" of affected source, dscf/hr; and
m = Number of similar emission unit groups in affected source.
Where:
Ef,i = Emissions rate for test run "i" for all emission stacks on indurating furnace "f", lb/LT of pellets produced,
Cs = Emission rate for stack "s" measured during test run "i" on indurating furnace "f", lb/dscf,
Qs = Average volumetric flow rate of stack gas measured at stack "s" during test run "i" on indurating furnace "f", dscf/hour;
Pf = Pellets produced in indurating furnace "f" during the stack test, LT; and
n = Number of emissions stacks on furnace "f".
Where:
Ef = Average emission rate for indurating furnace "f", lb/LT of pellets produced,
E1 = Emissions rate for run 1 for indurating furnace "f", lb/LT of pellets produced,
E2 = Emissions rate for run 2 for indurating furnace "f", lb/LT of pellets produced, and
E3 = Emissions rate for run 3 for indurating furnace "f", lb/LT of pellets produced.
40 C.F.R. §63.9621