40 CFR Figure C-1 to Subpart C of Part 53
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
□ First Set □ Second Set □ Type □ 1 Hour □ 24 Hour
| Concentration range | | Date | Time | Concentration, ppm | Difference | Table C-1 spec. | Pass or fail |
|---|---|---|---|---|---|---|
| Candidate | Reference | |||||
| Low | 1 | | | | ||||
| ____ ppm | 2 | | | | ||||
| to ____ ppm | 3 | | | | ||||
| 4 | | | | |||||
| 5 | | | | |||||
| 6 | | | | |||||
| Medium | 1 | | | | ||||
| ____ ppm | 2 | | | | ||||
| to ____ ppm | 3 | | | | ||||
| 4 | | | | |||||
| 5 | | | | |||||
| 6 | | | | |||||
| High | 1 | | | | ||||
| ____ ppm | 2 | | | | ||||
| to ____ ppm | 3 | | | | ||||
| 4 | | | | |||||
| 5 | | | | |||||
| 6 | | | | |||||
| 7 | | | | |||||
| 8 | | | | |||||
| | Total Failures: | |
[72 FR 32204, June 12, 2007]