Well water specimens were randomly sampled in rural areas and were tested according to Drinking water SanitaryRegulation (2001).
采用随机抽样的方法采集农村井水水样检测;根据《生活饮用水卫生规范》(2001)进行检验。
3
Sanitary sewage up to national Grade 1 emission standard after the treatment of regulation, precipitation and sterilization by CL buried sewage treatment plant.