- Table 2 to Subpart III of Part 62—Operating Limits for Wet Scrubbers

For these operating parameters You must establish these operating limits And monitor using these minimum frequencies Data measurement Data recording Averaging time Charge rateMaximum charge rateContinuousEvery hour1. Daily (batch units)
2. 3-hour rolling (continuous and intermittent units) a
Pressure drop across the wet scrubber or amperage to wet scrubberMinimum pressure drop or amperageContinuousEvery 15 minutes3-hour rolling aScrubber liquor flow rateMinimum flow rateContinuousEvery 15 minutes3-hour rolling aScrubber liquor pHMinimum pHContinuousEvery 15 minutes3-hour rolling a

a Calculated each hour as the average of the previous 3 operating hours.