| Part IV - Field 1 Limitations | 0 | 0 | 0 | 3 |
| Part IV - Field 1 Environmental Concerns | 4 | 2 | 5 | 3 |
| Part IV - Field 2 Limitations | 15 | 15 | 15 | 15 |
| Part IV - Field 2 Environmental Concerns | 3 | 4 | 4 | 4 |
| Part IV - Field 3 Limitations | 6 | 6 | 6 | 3 |
| Part IV - Field 3 Environmental Concerns | 5 | 3 | 3 | 3 |
| Part IV - Field 4 Limitations | 15 | 15 | 15 | 15 |
| Part IV - Field 4 Environmental Concerns | 5 | 5 | 5 | 5 |