| 1 | Calipatria Unified School District |  Imperial County Department of Toxic Substance and Comite Civico del Valle  Calipatria Unified School District | | |
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| 2 | Sonny Bono Wildlife Refuge | Imperial County Department of Toxic Substance and Comite Civico del Valle | | |
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| 3 | Calipatria East | Imperial County Department of Toxic Substance and Comite Civico del Valle | | |
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| 4 | Niland - English Road |  Imperial County Air Pollution Control District (ICAPCD) | | |
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