40 CFR Part 63, Table 2
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| If your tank design capacity is . . . | And the maximum HAP vapor pressure of the remediation material placed in your tankis . . . | Then your tank must use . . . |
|---|---|---|
| 1. Less than 38 m3 | Less than 76.6 kPa | Tank Level 1 controls under § 63.7895(b). |
| 2. At least 38 m3 but less than 151 m3 | Less than 13.1 kPa | Tank Level 1 controls under § 63.7895(b). |
| 3. 151 m3 or greater | Less than 0.7 kPa | Tank Level 1 controls under § 63.7895(b). |
| 4. at least 38 m3 but less than 151 m3 | 13.1 kPa or greater | Tank Level 2 controls under § 63.7895(c). |
| 5. 151 m3 or greater | 0.7 kPa or greater | Tank Level 2 controls under § 63.7895(c) |