- Table 3 to Subpart Ec of Part 60 - Operating Parameters To Be Monitored and Minimum Measurement and Recording Frequencies

Operating parameters to be monitored Minimum frequency Control system
Data measurement Data recording Dry scrubber followed by fabric filter Wet scrubber Dry scrubber followed by fabric filter and wet scrubber
Maximum operating parameters:
Maximum charge rateContinuous1 × hour
Maximum fabric filter inlet temperatureContinuous1 × minute
Maximum flue gas temperatureContinuous1 × minute
Minimum operating parameters:
Minimum secondary chamber temperatureContinuous1 × minute
Minimum dioxin/furan sorbent flow rateHourly1 × hour
Minimum HCI sorbent flow rateHourly1 × hour
Minimum mercury (Hg) sorbent flow rateHourly1 × hour
Minimum pressure drop across the wet scrubber or minimum horsepower or amperage to wet scrubberContinuous1 × minute
Minimum scrubber liquor flow rateContinuous1 × minute
Minimum scrubber liquor pHContinuous1 × minute