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Device | Parameters to be monitored | Established operating parameter(s) |
---|---|---|
a 25 to 50 mm (absolute) is a common pressure level obtained by pressure swing absorbers. b Concentration is measured instead of an operating parameter. | ||
Thermal incinerator | Firebox temperature | Minimum temperature. |
Catalytic incinerator | Temperature upstream and downstream of the catalyst bed | Minimum upstream temperature; and minimum temperature difference across the catalyst bed. |
Boiler or process heater | Firebox temperature | Minimum temperature. |
Scrubber for halogenated vents | pH of scrubber effluent; and scrubber liquid and gas flow rates [§63.1324(b)(4)(ii)] | Minimum pH; and minimum liquid/gas ratio. |
Absorber | Exit temperature of the absorbing liquid; and exit specific gravity of the absorbing liquid | Maximum temperature; and maximum specific gravity. |
Condenser | Exit temperature | Maximum temperature. |
Carbon adsorber | Total regeneration steam flow or nitrogen flow, or pressure (gauge or absolute) a during carbon bed regeneration cycle; and temperature of the carbon bed after regeneration (and within 15 minutes of completing any cooling cycle(s)) | Maximum flow or pressure; and maximum temperature. |
Other devices (or as an alternate to the requirements previously presented in this table) b | HAP concentration level or reading at outlet of device | Maximum HAP concentration or reading. |
[65 FR 38145, June 19, 2000]