某中型磷肥厂周围大气中日平均氟浓度超标0.57～1.86倍;二氧化硫日平均浓度超标0～0.18倍。周围人群每日摄入氟(2.391mg/人·日)总量不高;通过对长期居住在周围人群的体检及生物样本监测,结果其发氟、尿氟、氟斑牙患病率、唾液溶菌酶等与对照区人群比较无显著性差异,亦未发现明显的临床疾病效应。 The daily average fluorine concentration in the atmosphere around a medium-sized phosphate fertilizer plant exceeded 0.57 ~ 1.86 times; the daily average concentration of sulfur dioxide exceeded 0 ~ 0.18 times. The daily intake of fluoride (2.391mg / person · day) in the surrounding population is not high. By monitoring the physical and biological samples of the residents living in the surrounding area for a long time, the prevalence of fluorosis, urinary fluoride and dental fluorosis, saliva Lysozyme and other areas compared with the control group no significant difference, no significant clinical disease effect was found.