| 3 | Piute Mountain School-EKAPCD |  Anonymous contributor | | |
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| 4 | Ridgecrest Station |  Eastern Kern Air Pollution Control District | | |
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| 7 | Maricopa-Stanislaus Street |  San Joaquin Valley Air Pollution Control District | | |
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| 8 | Lebec - Beartrap Road | San Joaquin Valley Air Pollution Control District | | |
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| 9 | Arvin |  Imperial County Department of Toxic Substance and Comite Civico del Valle  Di Giorgio Elementary School | | |
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