In addition to the information in
paragraph (a)(5) of this section, the owner or operator shall record, for each relative accuracy test audit, supporting information sufficient to substantiate compliance with all applicable sections and appendices in this part. Unless otherwise specified in this part or in an applicable test method, the information in
paragraphs (a)(7)(i) through (a)(7)(vi) of this section may be recorded either in hard copy format, electronic format or a combination of the two, and the owner or operator shall maintain this information in a format suitable for inspection and audit purposes. This RATA supporting information shall include, but shall not be limited to, the following data elements:
(ii)
For each run of each RATA using Reference Method 2 (or its allowable alternatives in appendix A to
part 60 of this chapter) to determine volumetric flow rate, record the following data elements (as applicable to the measurement method used):
(A)
Operating level (low, mid, high, or normal, as appropriate);
(B)
Number of reference method traverse points;
(C)
Average stack gas temperature (°F);
(D)
Barometric pressure at test port (inches of mercury);
(E)
Stack static pressure (inches of H2O);
(F)
Absolute stack gas pressure (inches of mercury);
(G)
Percent CO2 and O2 in the stack gas, dry basis;
(H)
CO2 and O2 reference method used;
(I)
Moisture content of stack gas (percent H2O);
(J)
Molecular weight of stack gas, dry basis (lb/lb-mole);
(K)
Molecular weight of stack gas, wet basis (lb/lb-mole);
(L)
Stack diameter (or equivalent diameter) at the test port (ft);
(M)
Average square root of velocity head of stack gas (inches of H2O) for the run;
(N)
Stack or duct cross-sectional area at test port (ft 2);
(O)
Average velocity (ft/sec);
(P)
Average stack flow rate, adjusted, if applicable, for wall effects (scfh, wet basis);
(Q)
Flow rate reference method used;
(R)
Average velocity, adjusted for wall effects;
(S)
Calculated (site-specific) wall effects adjustment factor determined during the run, and, if different, the wall effects adjustment factor used in the calculations; and
(T)
Default wall effects adjustment factor used.
(iii)
For each traverse point of each run of each RATA using Reference Method 2 (or its allowable alternatives in appendix A to
part 60 of this chapter) to determine volumetric flow rate, record the following data elements (as applicable to the measurement method used):
(A)
Reference method probe type;
(B)
Pressure measurement device type;
(D)
Probe or pitot tube calibration coefficient;
(E)
Date of latest probe or pitot tube calibration;
(F)
Average velocity differential pressure at traverse point (inches of H2O) or the average of the square roots of the velocity differential pressures at the traverse point ((inches of H2O) 1/2);
(G)
TS, stack temperature at the traverse point (°F);
(H)
Composite (wall effects) traverse point identifier;
(I)
Number of points included in composite traverse point;
(J)
Yaw angle of flow at traverse point (degrees);
(K)
Pitch angle of flow at traverse point (degrees);
(L)
Calculated velocity at traverse point both accounting and not accounting for wall effects (ft/sec); and
(M)
Probe identification number.
(iv)
For each RATA using Method 6C, 7E, or 3A in appendix A to
part 60 of this chapter to determine SO2, NOX, CO2, or O2 concentration:
(A)
Pollutant or diluent gas being measured;
(B)
Span of reference method analyzer;
(C)
Type of reference method system (e.g., extractive or dilution type);
(D)
Reference method dilution factor (dilution type systems, only);
(E)
Reference gas concentrations (zero, mid, and high gas levels) used for the 3-point pre-test analyzer calibration error test (or, for dilution type reference method systems, for the 3-point pre-test system calibration error test) and for any subsequent recalibrations;
(F)
Analyzer responses to the zero-, mid-, and high-level calibration gases during the 3-point pre-test analyzer (or system) calibration error test and during any subsequent recalibration(s);
(G)
Analyzer calibration error at each gas level (zero, mid, and high) for the 3-point pre-test analyzer (or system) calibration error test and for any subsequent recalibration(s) (percent of span value);
(H)
Upscale gas concentration (mid or high gas level) used for each pre-run or post-run system bias check or (for dilution type reference method systems) for each pre-run or post-run system calibration error check;
(I)
Analyzer response to the calibration gas for each pre-run or post-run system bias (or system calibration error) check;
(J)
The arithmetic average of the analyzer responses to the zero-level gas, for each pair of pre- and post-run system bias (or system calibration error) checks;
(K)
The arithmetic average of the analyzer responses to the upscale calibration gas, for each pair of pre- and post-run system bias (or system calibration error) checks;
(L)
The results of each pre-run and each post-run system bias (or system calibration error) check using the zero-level gas (percentage of span value);
(M)
The results of each pre-run and each post-run system bias (or system calibration error) check using the upscale calibration gas (percentage of span value);
(N)
Calibration drift and zero drift of analyzer during each RATA run (percentage of span value);
(O)
Moisture basis of the reference method analysis;
(P)
Moisture content of stack gas, in percent, during each test run (if needed to convert to moisture basis of CEMS being tested);
(Q)
Unadjusted (raw) average pollutant or diluent gas concentration for each run;
(R)
Average pollutant or diluent gas concentration for each run, corrected for calibration bias (or calibration error) and, if applicable, corrected for moisture;
(S)
The F-factor used to convert reference method data to units of lb/mmBtu (if applicable);
(T)
Date(s) of the latest analyzer interference test(s);
(U)
Results of the latest analyzer interference test(s);
(V)
Date of the latest NO2 to NO conversion test (Method 7E only);
(W)
Results of the latest NO2 to NO conversion test (Method 7E only); and
(X)
For each calibration gas cylinder used during each RATA, record the cylinder gas vendor, cylinder number, expiration date, pollutant(s) in the cylinder, and certified gas concentration(s).
(v)
For each test run of each moisture determination using Method 4 in appendix A to
part 60 of this chapter (or its allowable alternatives), whether the determination is made to support a gas RATA, to support a flow RATA, or to quality assure the data from a continuous moisture monitoring system, record the following data elements (as applicable to the moisture measurement method used):
(C)
The beginning date, hour, and minute of the run;
(D)
The ending date, hour, and minute of the run;
(E)
Unit operating level (low, mid, high, or normal, as appropriate);
(F)
Moisture measurement method;
(G)
Volume of H2O collected in the impingers (ml);
(H)
Mass of H2O collected in the silica gel (g);
(I)
Dry gas meter calibration factor;
(J)
Average dry gas meter temperature (°F);
(K)
Barometric pressure (inches of mercury);
(L)
Differential pressure across the orifice meter (inches of H2O);
(M)
Initial and final dry gas meter readings (ft 3);
(N)
Total sample gas volume, corrected to standard conditions (dscf); and
(O)
Percentage of moisture in the stack gas (percent H<I>2</I>O).