SAN DIEGO COUNTY AIR POLLUTION CONTROL DISTRICT
RULE 260.674 - MONITORING OF OPERATIONS
The owner or operator of any affected facility subject to the provisions of this subpart which uses a wet scrubber to control emissions shall install, calibrate, maintain and operate the following monitoring devices:
(a) A device for the continuous measurement of the pressure loss of the gas stream through the scrubber. The monitoring device must be certified by the manufacturer to be accurate within +250 pascals (+1 inch water gauge pressure) and must be calibrated on an annual basis in accordance with manufacturer's instructions.
(b) Devices for the continuous measurements of the scrubbing liquid flow rate and supply pressure
to the wet scrubber. The monitoring devices must be certified by the manufacturer to be accurate within +5
percent of design scrubbing liquid flow rte or supply pressure, depending on use, and must be calibrated on an
annual basis in accordance with manufacturer's instructions.