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Table 3 to Subpart HHH of Part 62—Operating Parameters To Be Monitored and Minimum Measurement and Recording Frequencies

Operating Parameters To Be Monitored and Minimum Measurement and Recording Frequencies

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Displayed edition2026-10-22
Last updated2026-10-22

Table 3 to Subpart HHH of Part 62—Operating Parameters To Be Monitored and Minimum Measurement and Recording Frequencies

Operating
parameters
to be
monitored		Minimum frequencyHMIWI
Data measurementData recordingHMIWI with combustion control onlyHMIWI with dry scrubber followed by FFHMIWI with wet scrubberHMIWI with dry scrubber followed by FF and wet scrubberHMIWI with SNCR system
Maximum operating parameters:
Maximum charge rateOnce per chargeOnce per charge✓✓✓✓✓
Maximum FF inlet temperatureContinuousOnce per minute✓✓
Maximum flue gas temperatureContinuousOnce per minute✓✓
Minimum operating parameters:
Minimum secondary chamber temperatureContinuousOnce per minute✓✓✓✓✓
Minimum dioxin/furan sorbent flow rateHourlyOnce per hour✓✓
Minimum HCl sorbent flow rateHourlyOnce per hour✓✓
Minimum mercury (Hg) sorbent flow rateHourlyOnce per hour✓✓
Minimum pressure drop across the wet scrubber or minimum horsepower or amperage to wet scrubberContinuousOnce per minute✓✓
Minimum scrubber liquor flow rateContinuousOnce per minute✓✓
Minimum scrubber liquor pHContinuousOnce per minute✓✓
Minimum reagent flow rateHourlyOnce per hour✓

[78 FR 28076, May 13, 2013]