- Table 2 to Subpart JJJJJ of Part 63—Operating Limits
As stated in § 63.8405, you must meet each operating limit in the following table that applies to you:
For each . . . | You must . . . | 1. Tunnel kiln equipped with a DLA | a. Maintain the average pressure drop across the DLA for each 3-hour block period at or above the average pressure drop established during the HF/HCl/Cl | b. Maintain an adequate amount of limestone in the limestone hopper, storage bin (located at the top of the DLA), and DLA at all times; maintain the limestone feeder setting (on a per ton of fired product basis) at or above the level established during the HF/HCl/Cl | c. Use the same grade of limestone from the same source as was used during the HF/HCl/Cl | d. Maintain no VE from the DLA stack. | 2. Tunnel kiln equipped with a DIFF or DLS/FF | a. If you use a bag leak detection system, initiate corrective action within 1 hour of a bag leak detection system alarm and complete corrective actions in accordance with your OM&M plan; operate and maintain the fabric filter such that the alarm is not engaged for more than 5 percent of the total operating time in a 6-month block reporting period; or maintain no VE from the DIFF or DLS/FF stack; and | b. Maintain free-flowing lime in the feed hopper or silo and to the APCD at all times for continuous injection systems; maintain the feeder setting (on a per ton of fired product basis) at or above the level established during the HF/HCl/Cl | 3. Tunnel kiln equipped with a WS | a. Maintain the average scrubber liquid pH for each 3-hour block period at or above the average scrubber liquid pH established during the HF/HCl/Cl | b. Maintain the average scrubber liquid flow rate for each 3-hour block period at or above the highest average scrubber liquid flow rate established during the HF/HCl/Cl | 4. Tunnel kiln equipped with an ACI system | Maintain the average carbon flow rate for each 3-hour block period at or above the average carbon flow rate established during the Hg performance test in which compliance was demonstrated. | 5. Tunnel kiln with no add-on control | a. Maintain no VE from the stack.
b. Maintain the kiln process rate at or below the kiln process rate determined according to § 63.8445(g)(1). |
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