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        "Fecha": "1999\/01\/04",
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        "Fecha": "1999\/01\/05",
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        "fid": "212032",
        "Fecha": "1999\/01\/07",
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        "SO2": "71",
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        "fid": "212033",
        "Fecha": "1999\/01\/08",
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        "fid": "212034",
        "Fecha": "1999\/01\/09",
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        "Fecha": "1999\/01\/10",
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        "fid": "212036",
        "Fecha": "1999\/01\/11",
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        "Fecha": "1999\/01\/12",
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        "fid": "212038",
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        "fid": "212067",
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        "fid": "212069",
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