40 C.F.R. § 60 app Table 3 to Subpart DDDD of Part 60

Current through October 31, 2024
Appendix Table 3 to Subpart DDDD of Part 60 - Model Rule-Operating Limits for Wet Scrubbers

For these operating
parameters
You must establish these operating limitsAnd monitor using these minimum frequencies
Data
measurement
Data
recording
Averaging time
Charge rateMaximum charge rateContinuousEvery hourDaily (batch units). 3-hour rolling (continuous and intermittent units).1
Pressure drop across the wet scrubber or amperage to wet scrubberMinimum pressure drop or amperageContinuousEvery 15 minutes3-hour rolling.1
Scrubber liquor flow rateMinimum flow rateContinuousEvery 15 minutes3-hour rolling.1
Scrubber liquor pHMinimum pHContinuousEvery 15 minutes3-hour rolling.1

1Calculated each hour as the average of the previous 3 operating hours.

40C.F.R. 60 app Table 3 to Subpart DDDD of Part 60

81 FR 41002, 6/23/2016; 84 FR 15884, 4/16/2019