Federal Register - March 23, 2021
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Source: Federal Register
15422
Federal Register / Vol. 86, No. 54 / Tuesday, March 23, 2021 / Rules and Regulations
volume of dry gas metered. If, however, a higher leakage rate is obtained, either record the leakage rate and correct the
sample volume as shown in section 12.3
of Method 5 or void the sampling run.
12.1.3 Volume of Water Collected in Silica Gel.
Where:
K3 = 0.001335 m3/g for metric units =
0.04716 ft3/g for English units.
Method 5Determination of Particulate Matter Emissions From Stationary Sources
12.3 Dry Gas Volume. Correct the sample volume measured by the dry gas meter to standard conditions 20 C, 760mm Hg or 68 F, 29.92 in. Hg by using Equation 51.
V,
_
mstd -
Where:
K1 = 0.38572 K/mm Hg for metric units =
17.636 R/in. Hg for English units.
Note: Equation 51 can be used as written unless the leakage rate observed during any of the mandatory leak checks i.e., the posttest leak check or leak checks conducted
and substitute only for those leakage rates Li or Lp which exceed La.
!:iH
ll Y T std P bar+ 13.6
m
T p
Eq. 5 - 1
m std
prior to component changes exceeds La. If Lp or Li exceeds La, Equation 51 must be modified as follows:
a Case I. No component changes made during sampling run. In this case, replace Vm in Equation 51 with the expression:
Vm Lp Laq b Case II. One or more component changes made during the sampling run.
In this case, replace Vm in Equation 5
1 by the expression:
12.11.1 Calculation from Raw Data.
= 0.002668 in. Hgft3/mlR for English units.
12.11.2 Calculation from Intermediate Values.
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Where:
K4 = 0.003456 mm Hgm3/mlK for metric units,
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