【摘要】 以地表水Ⅳ类水质限值为评价标准,通过对四平市城区的南河、北河非金属无机污染物监测分析得出:城市活动对流经城区的河流水体非金属无机污染物有显著影响;其中,北河水体受总磷的影响较大且严重超标,南河水体受酸碱度的污染较重,部分采样点超标;南北河水体氰化物、氟化物和亚硝酸盐-氮均未超标,但总体上有污染增加的趋势;因此,对南北河实施治理迫在眉睫,但要科学合理区别对待.更多还原

【Abstract】 The concentration of fluorid,cyanide and nitrite-n wasn’t exceeded the healthful standard in the water body,but the concentration of TP in the north river and pH in the south river had far exceeded water quality Ⅳ standard of surface water(GB3838-2002);the degree of non-metal minerals pollution was increased by urban activities;and so,The river need to be governed,it is stared in the face,but making a differential between north river and south river.更多还原