摘要
目的 了解那曲地区的水质卫生状况 ,为有效预防控制介水传染病提供依据。 方法 选取那曲地区有代表性的三个县 ,设 33个调查点 ,其中集中式饮用水源水 3个、生活饮用水 2 5个、地表水 5个 ,由专业人员取集水样、按统一要求进行现场卫生学调查。 结果 饮用水源水符合相关标准要求 ;生活饮用水水质不良 ,主要超标项目为细菌总数和大肠菌群 ;地表水水质介于 ~ 类 ,个别点属 类 ;卫生防护普遍较差。 结论 切实加强饮用水消毒和卫生防护 。
Objective To study the water quality sanitation condition in Naqu and to provide a proof for preventing and controling water-borne communicable diease. Methods 33 investigation spots in three representative countries were selected in Naqu, among which 3 were concentration drinking source water, 25 living drinking water and 5 surface water. Specialists sampled water and investigated sanitation on the spot according to the same standard. Result The water quality from source is accord with correlated standard. But the living drinking water quality as a whole is not good. The total bacterial count and total coliform group exceeded the standard. Surface water quality was between gradeⅠand gradeⅡ,but some individual points were grade Ⅲ. Conclusion Drinking water sterilization and sanitary protection should be strengthened and drinking water quality should be improved step by step.
出处
《实用预防医学》
CAS
2003年第3期373-374,共2页
Practical Preventive Medicine
关键词
那曲
饮用水
水质
卫生防护
Naqu
Drinking water
Water quality
Sanitary protecion