| For each . . .
| For the following . . .
| You must demonstrate
continuous compliance by . . .
| Or by . . .
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| 1. Tunnel or roller kiln equipped with a DIFF or DLS/FF | a. Each emission limit in Table 1 to this subpart and each operating limit in Item 1 of Table 2 to this subpart for kilns equipped with DIFF or DLS/FF | i. If you use a bag leak detection system, as prescribed in § 63.8450(e), initiating corrective action within 1 hour of a bag leak detection system alarm and completing corrective actions in accordance with your OM&M plan; operating and maintaining 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; in calculating this operating time fraction, if inspection of the fabric filter demonstrates that no corrective action is required, no alarm time is counted; if corrective action is required, each alarm is counted as a minimum of 1 hour; if you take longer than 1 hour to initiate corrective action, the alarm time is counted as the actual amount of time taken by you to initiate corrective action; and | (1) Performing VE observations of the DIFF or DLS/FF stack at the frequency specified in § 63.8620(e) using Method 22 of 40 CFR part 60, appendix A-7; and maintaining no VE from the DIFF or DLS/FF stack; or
(2) Maintaining your kiln operating temperature within the range of acceptable temperatures (i.e., temperature profile for each kiln and product; for any incidence where the kiln is operating outside of its acceptable temperature range (i.e., exceeds its temperature profile) for the product being fired, performing VE observations of the DIFF or DLS/FF stack as specified in § 63.8620(e) using Method 22 of 40 CFR part 60, appendix A-7; and observing no VE from the DIFF or DLS/FF stack.
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| | | ii. Verifying that lime is free-flowing via a load cell, carrier gas/lime flow indicator, carrier gas pressure drop measurement system, or other system; recording all monitor or sensor output, and if lime is found not to be free flowing, promptly initiating and completing corrective actions in accordance with your OM&M plan; recording the feeder setting once each shift of operation to verify that the feeder setting is being maintained at or above the level established during the HF/HCl performance test in which compliance was demonstrated
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| 2. Tunnel or roller kiln equipped with a WS | a. Each emission limit in Table 1 to this subpart and each operating limit in Item 2 of Table 2 to this subpart for kilns equipped with WS | i. Collecting the scrubber liquid pH data according to § 63.8600(a); reducing the scrubber liquid pH data to 3-hour block averages according to § 63.8600(a); maintaining the average scrubber liquid pH for each 3-hour block period at or above the average scrubber liquid pH established during the HF/HCl performance test in which compliance was demonstrated; and
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| | | ii. Collecting the scrubber liquid flow rate data according to § 63.8600(a); reducing the scrubber liquid flow rate data to 3-hour block averages according to § 63.8600(a); maintaining 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 and PM performance tests in which compliance was demonstrated
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| 3. Tunnel or roller kiln equipped with an ACI system | Each emission limit in Table 1 to this subpart and each operating limit in Item 3 of Table 2 to this subpart for kilns equipped with ACI system | Collecting the carbon flow rate data according to § 63.8600(a); reducing the carbon flow rate data to 3-hour block averages according to § 63.8600(a); maintaining the average carbon flow rate for each 3-hour block period at or above the highest average carbon flow rate established during the Hg and dioxin/furan performance tests in which compliance was demonstrated
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| 4. Tunnel or roller kiln intending to comply with dioxin/furan emission limit without an ACI system | Each emission limit in Table 1 to this subpart and each operating limit in Item 4 of Table 2 to this subpart for kilns intending to comply with dioxin/furan emission limit without an ACI system | Collecting the operating temperature data according to § 63.8600(a); and maintaining the operating temperature at or below the highest operating temperature established during the dioxin/furan performance test in which compliance was demonstrated | Collecting the operating temperature data according to § 63.8600(a); reducing the operating temperature data to a 12-hour block average; and maintaining the average operating temperature for each 12-hour block period at or below the highest operating temperature established during the dioxin/furan performance test in which compliance was demonstrated.
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| 5. Tunnel or roller kiln with no add-on control | a. Each emission limit in Table 1 to this subpart and each operating limit in Item 5 of Table 2 to this subpart for tunnel or roller kilns with no add-on control | i. Performing VE observations of the stack at the frequency specified in § 63.8620(e) using Method 22 of 40 CFR part 60, appendix A-7; and maintaining no VE from the stack; and | (1) Maintaining your kiln operating temperature within the range of acceptable temperatures (i.e., temperature profile established for each kiln and product for any incidence where the kiln is operating outside of its acceptable temperature range (i.e., exceeds its temperature profile) for the product being fired, performing VE observations of the DIFF or DLS/FF stack as specified in § 63.8620(e) using Method 22 of 40 CFR part 60, appendix A-7; and observing no VE from the DIFF or DLS/FF stack.
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| | | ii. If your last calculated total facility maximum potential HCl-equivalent was not at or below the health-based standard in Table 1 to this subpart, collecting the kiln process rate data according to § 63.8600(a); reducing the kiln process rate data to 3-hour block averages according to § 63.8600(a); maintaining the average kiln process rate for each 3-hour block period at or below the kiln process rate determined according to § 63.8595(g)(1); and
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| | | iii. Collecting the operating temperature data according to § 63.8600(a); and maintaining the operating temperature at or below the highest operating temperature established during the dioxin/furan performance test in which compliance was demonstrated | (1) Collecting the operating temperature data according to § 63.8600(a); reducing the operating temperature data to a 12-hour block average; and maintaining the average operating temperature for each 12-hour block period at or below the highest operating temperature established during the dioxin/furan performance test in which compliance was demonstrated.
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| 6. Glaze spray operation equipped with a FF | Each emission limit in Table 1 to this subpart and each operating limit in Item 6 of Table 2 to this subpart for glaze spray operations equipped with a FF | If you use a bag leak detection system, initiating corrective action within 1 hour of a bag leak detection system alarm and completing corrective actions in accordance with your OM&M plan; operating and maintaining 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; in calculating this operating time fraction, if inspection of the fabric filter demonstrates that no corrective action is required, no alarm time is counted; if corrective action is required, each alarm is counted as a minimum of 1 hour; if you take longer than 1 hour to initiate corrective action, the alarm time is counted as the actual amount of time taken by you to initiate corrective action | Performing VE observations of the FF stack at the frequency specified in § 63.8620(e) using Method 22 of 40 CFR part 60, appendix A-7; and maintaining no VE from the FF stack.
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| 7. Glaze spray operation equipped with a WS | a. Each emission limit in Table 1 to this subpart and each operating limit in Item 7 of Table 2 to this subpart for kilns equipped with WS | i. Collecting the scrubber pressure drop data according to § 63.8600(a); reducing the scrubber pressure drop data to 3-hour block averages according to § 63.8600(a); maintaining the average scrubber pressure drop for each 3-hour block period at or above the average pressure drop established during the PM performance test in which compliance was demonstrated; and
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| | | ii. Collecting the scrubber liquid flow rate data according to § 63.8600(a); reducing the scrubber liquid flow rate data to 3-hour block averages according to § 63.8600(a); maintaining the average scrubber liquid flow rate for each 3-hour block period at or above the average scrubber liquid flow rate established during the PM performance test in which compliance was demonstrated
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| 8. Glaze spray operation equipped with a water curtain | a. Each emission limit in Table 1 to this subpart and each operating limit in Item 8 of Table 2 to this subpart for kilns equipped with a water curtain | i. Conducting daily inspections to verify the presence of water flow to the wet control system; and
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| | | ii. Conducting annual inspections of the interior of the control equipment (if applicable) to determine the structural integrity and condition of the control equipment; and
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| | | iii. Recording as deviations any observations of particulates or other impurities getting into the glaze that has been sprayed onto a piece of ware and completing corrective actions in accordance with your OM&M plan
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| 9. Glaze spray operation equipped with baffles | Each emission limit in Table 1 to this subpart and each operating limit in Item 9 of Table 2 to this subpart for kilns equipped with baffles | Conducting an annual visual inspection of the baffles to confirm the baffles are in place
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| 10. Spray dryer | Each emission limit in Table 1 to this subpart and each operating limit in Item 10 of Table 2 to this subpart for spray dryers | Collecting the operating temperature data according to § 63.8600(a); reducing the operating temperature data to 4-hour block averages according to § 63.8600(a); maintaining the average operating temperature for each 4-hour block period at or above the average operating temperature established during the dioxin/furan performance test in which compliance was demonstrated
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| 11. Floor tile press dryer | Each emission limit in Table 1 to this subpart and each operating limit in Item 11 of Table 2 to this subpart for floor tile press dryers | Collecting the operating temperature data according to § 63.8600(a); reducing the operating temperature data to 4-hour block averages according to § 63.8600(a); maintaining the average operating temperature for each 4-hour block period at or below the average operating temperature established during the dioxin/furan performance test in which compliance was demonstrated
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| 12. Sanitaryware shuttle kiln | a. Minimize HAP emissions | i. Maintaining records documenting your use of natural gas, or an equivalent fuel, as the kiln fuel at all times except during periods of natural gas curtailment or supply interruption; and
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| | | ii. If you intend to use an alternative fuel, submitting a notification of alternative fuel use within 48 hours of the declaration of a period of natural gas curtailment or supply interruption, as defined in § 63.8665; and
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| | | iii. Submitting a report of alternative fuel use within 10 working days after terminating the use of the alternative fuel, as specified in § 63.8635(g); and
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| | | iv. Using a designed firing time and temperature cycle for each sanitaryware shuttle kiln; and
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| | | v. For each firing load, documenting the total tonnage of greenware placed in the kiln to ensure that it is not greater than the maximum load identified in Item 1.a.iii of Table 3 to this subpart; and
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| | | vi. Following maintenance procedures for each kiln that, at a minimum, specify the frequency of inspection and maintenance of temperature monitoring devices, controls that regulate air-to-fuel ratios, and controls that regulate firing cycles; and
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| | | vii. Developing and maintaining records for each sanitaryware shuttle kiln, as specified in § 63.8640 | |