The fluorine content in air environment in Fengpei, Tongshan Counties was tested with lime filter method and filter film electrode method.
利用石灰滤纸法和滤膜电极法测试了徐州丰沛铜地区大气环境中的氟含量，结果表明：由城区至城效到农村，大气环境中的氟含量趋向下降，采煤、煤的燃烧和铝厂等企业是大气中氟的主要污染源，该区地氟病与大气环境中的氟含量未见明显联系，不属燃煤污染