Transportation | 2 | |
Economic Impact | 1 | |
Human Health | 1 | |
Livestock | 1 | |
Safety | 1 |
2 | 1 | 1 | 1 | 1 |
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1 | 3 | 1 | 1 |
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SUMMER | 3 | |
FALL | 1 | |
WINTER | 1 |