- CFR
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- Title 40
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- Chapter I
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- Part 53
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- Subpart C
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- Appendix Table C-2 to Subpart C of Part 53
Table C-2 to Subpart C of Part 53—Sequence of Test Measurements
| Measurement | Concentration range |
|---|
| First set | Second set |
|---|
| 1 | Low | Medium. |
| 2 | High | High. |
| 3 | Medium | Low. |
| 4 | High | High. |
| 5 | Low | Medium. |
| 6 | Medium | Low. |
| 7 | Low | Medium. |
| 8 | Medium | Low. |
| 9 | High | High. |
| 10 | Medium | Low. |
| 11 | High | Medium. |
| 12 | Low | High. |
| 13 | Medium | Medium. |
| 14 | Low | High. |
| 15 | | Low. |
| 16 | | Medium. |
| 17 | | Low. |
| 18 | | High. |