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The
raw data are hourly and at the monitor level. These
data were processed and allocated to the boiler-level as
best possible based on reported plant configurations.
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Data
aggregated to the annual level may not be equivalent to
EPA's Scorecard data because of differing reporting
requirements and methodology.
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Data
which are clearly reported incorrectly will appear as missing
data subject to the additional caveats below.
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Heat
input and NOx rate are the base data, NOx emissions are
calculated from these data elements.
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If
no data are reported for an entire month, that month will
not be included on the hourly summary pages.
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If
no data (heat input or NOx rate) are reported for a day,
then the hourly values will appear as blanks.
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If
heat input is reported, but not NOx rate, then the hourly
NOx rate and NOx emissions data will appear as zero.
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If
NOx rate is reported, but not heat input, then the hourly
heat input and NOx emissions data will appear as zero.
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