40 CFR Appendix II
Temperature Schedules
June 9, 2020
(a) Ambient temperature cycle for the diurnal emission portion of the evaporative emission test (see §86.133).
Table I—Temperature Versus Time Sequence
Open Table
| Use linear interpolation between hourly temperatures | |||||
|---|---|---|---|---|---|
| Time (min) | Temp. (°F) | Time (min) | Temp. (°F) | Time (min) | Temp. (°F) |
| 0 | 72.0 | 60 | 72.5 | 120 | 75.5 |
| 180 | 80.3 | 240 | 85.2 | 300 | 89.4 |
| 360 | 93.1 | 420 | 95.1 | 480 | 95.8 |
| 540 | 96.0 | 600 | 95.5 | 660 | 94.1 |
| 720 | 91.7 | 780 | 88.6 | 840 | 85.5 |
| 900 | 82.8 | 960 | 80.9 | 1020 | 79.0 |
| 1080 | 77.2 | 1140 | 75.8 | 1200 | 74.7 |
| 1260 | 73.9 | 1320 | 73.3 | 1380 | 72.6 |
| 1440 | 72.0 | 1500 | 72.5 | 1560 | 75.5 |
| 1620 | 80.3 | 1680 | 85.2 | 1740 | 89.4 |
| 1800 | 93.1 | 1860 | 95.1 | 1920 | 95.8 |
| 1980 | 96.0 | 2040 | 95.5 | 2100 | 94.1 |
| 2160 | 91.7 | 2220 | 88.6 | 2280 | 85.5 |
| 2340 | 82.8 | 2400 | 80.9 | 2460 | 79.0 |
| 2520 | 77.2 | 2580 | 75.8 | 2640 | 74.7 |
| 2700 | 73.9 | 2760 | 73.3 | 2820 | 72.6 |
| 2880 | 72.0 | 2940 | 72.5 | 3000 | 75.5 |
| 3060 | 80.3 | 3120 | 85.2 | 3180 | 89.4 |
| 3240 | 93.1 | 3300 | 95.1 | 3360 | 95.8 |
| 3420 | 96.0 | 3480 | 95.5 | 3540 | 94.1 |
| 3600 | 91.7 | 3660 | 88.6 | 3720 | 85.5 |
| 3780 | 82.8 | 3840 | 80.9 | 3900 | 79.0 |
| 3960 | 77.2 | 4020 | 75.8 | 4080 | 74.7 |
| 4140 | 73.9 | 4200 | 73.3 | 4260 | 72.6 |
| 4320 | 72.9 | ||||
[58 FR 16070, Mar. 24, 1993]
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