40 CFR Table 3
Work Practice Standards
June 9, 2020
As stated in §63.9788, you must comply with the work practice standards for affected sources in the following table:
Open Table
| For . . . | You must . . . | According to one of the following requirements . . . |
|---|---|---|
| 1. Each basket or container that is used for holding fired refractory shapes in an existing shape preheater and autoclave during the pitch impregnation process | a. Control POM emissions from any affected shape preheater | i. At least every 10 preheating cycles, clean the residual pitch from the surfaces of the basket or container by abrasive blasting prior to placing the basket or container in the affected shape preheater; or ii. At least every 10 preheating cycles, subject the basket or container to a thermal process cycle that meets or exceeds the operating temperature and cycle time of the affected preheater, AND is conducted in a process unit that is exhausted to a thermal or catalytic oxidizer that is comparable to the control device used on an affected defumer or coking oven; or iii. Capture emissions from the affected shape preheater and vent them to the control device that is used to control emissions from an affected defumer or coking oven, or to a comparable thermal or catalytic oxidizer. |
| 2. Each new or existing pitch working tank | Control POM emissions | Capture emissions from the affected pitch working tank and vent them to the control device that is used to control emissions from an affected defumer or coking oven, OR to a comparable thermal or catalytic oxidizer. |
| 3. Each new or existing chromium refractory products kiln | Minimize fuel-based HAP emissions | Use natural gas, or equivalent, as the kiln fuel, except during periods of natural gas curtailment or supply interruption, as defined in §63.9824. |
| 4. Each existing clay refractory products kiln | Minimize fuel-based HAP emissions | Use natural gas, or equivalent, as the kiln fuel, except during periods of natural gas curtailment or supply interruption, as defined in §63.9824. |
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