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四川什祁县农药厂排放的废水中含有硫氰化物、水合肼、硫化物等有毒物质,污染了禾丰乡地表水和地下水,严重危害当地居民、牲畜、庄稼,因此进行农药污染调查。 对双盛、禾丰乡的23个水样进行14项化验分析。对474户,共1753人进行健康调查和检查。 1989年的监测结果:平均值硫氰化物0.05mg/L,氰化物0.013mg/L,河水中检出水合肼。在污染区调查了1262人,发病276人,发病率21.87％,对照区1254人,发病180人,发病率14.25％,经X_2
Wastewater from the pesticide plant in Shishu County, Sichuan Province contains toxic substances such as thiocyanide, hydrazine hydrate and sulfide, which pollute the surface water and groundwater in Hefeng Township and seriously harm local residents, livestock and crops. Therefore, pesticide contamination investigation is conducted. 14 samples of 23 water samples from Shuangsheng and Hefeng townships were analyzed. Of 474 households, a total of 1753 people for health survey and inspection. 1989 monitoring results: the average value of 0.05mg / L sulfur cyanide, cyanide 0.013mg / L, hydrazine hydrate detected in the river. In the polluted area surveyed 1262 people, the incidence of 276 people, the incidence rate of 21.87%, control area 1254 people, the incidence of 180 people, the incidence rate of 14.25%, by X_2