摘要
目的了解家用净水设备出水的卫生安全情况,为保障居民饮水安全提供科学依据。方法按照《生活饮用水标准检验方法》(GB/T 5750-2006),对2015-2017年送检的家用净水设备出水水样进行检测,并依据《生活饮用水卫生标准》(GB5749-2006)对检测结果进行评价。结果家用净水器设备出水的水质总合格率为87.25%,单项合格率中,菌落总数的合格率最低,为89.26%,毒理学指标不合格的有镉和四氯化碳,合格率均为99.33%。结论微生物指标是影响家用净水设备出水水质合格率的主要因素,建议使用者按说明书要求及时更换滤芯。政府部门应加强家用净水设备的监督管理。
Objective To assess the health safety status of purified water produced by household water treatment units and to provide scientific basis for the protection of the drinking-water safety among residents.Methods The purified water samples were collected in Beijing from 2015-2017 and detected according to Standard examination method for drinking water(GB/T 5750-2006).Detection result were evaluated by Standards for drinking water quality(GB5749-2006).Results The qualification rate of purified water was 87.25%.Among all the items detected,the qualification rate of total number of colonies was the lowest(89.26%).Toxicological indicators that exceeded the limit involved cadmium and carbon,the qualification rate of both were 99.33%.Conclusions The main pollution item of purified water produced by household water treatment units is the total number of colonies.Residents should replace the filter cartridge in time according to the instruction manual and government should strengthen the supervision and management of household water treatment units in China.
作者
田寒梅
刘奇琛
张永
盛欣
TIAN Han-mei;LIU Qi-chen;ZHANG Yong;SHENG Xin(Beijing Center for Disease Control and Prevention/Beijing Center for Preventive Medicine Research,Beijing 100013,China)
出处
《首都公共卫生》
2020年第4期222-224,共3页
Capital Journal of Public Health
关键词
家用净水设备
水质
饮水安全
Household water treatment units
Water quality
Water safety
