40 CFR Appendix Table 2 to Subpart III of Part 62 - Operating Limits for Wet Scrubbers

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 rate Maximum charge rate Continuous Every hour 1. Daily (batch units)
2. 3-hour rolling (continuous and intermittent units) a
Pressure drop across the wet scrubber or amperage to wet scrubber Minimum pressure drop or amperage Continuous Every 15 minutes 3-hour rolling a
Scrubber liquor flow rate Minimum flow rate Continuous Every 15 minutes 3-hour rolling a
Scrubber liquor pH Minimum pH Continuous Every 15 minutes 3-hour rolling a

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