StacksVerified U.S. regulatory reference

40 CFR Part 60, Table 3

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Operating parameters to be monitoredMinimum frequencyControl system
Data measurementData recordingDry 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 | | ✔ | ✔