- Table 3 to Subpart O of Part 63—Standards for CEVs
As required in § 63.362(e), for each CEV, you must meet the applicable standard in the following table:
| For each . . . | For which . . . | You must . . . | You must comply with the standard . . . | 1. Existing CEV at a major source facility | a. Not applicable | i. Continuously reduce EtO emissions by 99.94 percent 1 | No later than April 5, 2027. | 2. Existing CEV at an area source facility | a. Facility EtO use is at least 60 tpy | i. Continuously reduce EtO emissions by 99.9 percent | No later than April 6, 2026. | b. Facility EtO use is less than 60 tpy | i. Continuously reduce EtO emissions by 99 percent | No later than April 5, 2027. | 3. New CEV at a major source facility | a. Initial startup is on or before April 5, 2024 | i. Continuously reduce EtO emissions by 99.94 percent 1 | No later than April 5, 2024. | b. Initial startup is after April 5, 2024 | i. Continuously reduce EtO emissions by 99.94 percent 1 | Upon startup of the source. | 4. New CEV at an area source facility | a. Initial startup is on or before April 5, 2024, and facility EtO use is at least 60 tpy | i. Continuously reduce EtO emissions by 99.9 percent | No later than April 5, 2024. | b. Initial startup is on or before April 5, 2024, facility EtO use is less than 60 tpy | i. Continuously reduce EtO emissions by 99 percent | No later than April 5, 2024. | c. Initial startup is after April 5, 2024, and facility EtO use is at least 60 tpy | i. Continuously reduce EtO emissions by 99.9 percent | Upon startup of the source. | d. Initial startup is after April 5, 2024, facility EtO use is less than 60 tpy | i. Continuously reduce EtO emissions by 99 percent | Upon startup of the source. |
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1 If using CEMS to determine compliance, this standard is based on a rolling 30-operating day average.
2 The standard applies if the facility has met or exceeded the specified EtO use within any consecutive 12-month period after April 7, 2025.
3 The standard applies if the facility has used less than 60 tpy of EtO within all consecutive 12-month periods after April 6, 2026.
4 The standard applies if the facility is expected to meet or exceed the specified EtO use within one year after startup. Afterwards, the standard applies if the facility has met or exceeded the specified EtO use within any consecutive 12-month period after startup.
5 The standard applies if the facility is not expected to meet or exceed 60 tpy of EtO use within one year after startup. Afterwards, the standard applies if the facility has used less than 60 tpy of EtO within all consecutive 12-month periods after startup.