水质常规指标及限值.doc

水质常规指标及限值
of rural drinking water sources, protection of drinking water sources in rural areas by the end of th物〔mg/L〕 250
　　硫酸盐〔mg/L〕 250
　　溶解性总固体〔mg/L〕 1000
　　总硬度(以CaCO3计，mg/L〕 450
　　耗氧量〔CODMn法，以O2计，mg/L〕 3
　　水源限制，原水耗氧量＞6mg/L时为5
　　挥发酚类〔以苯酚计，mg/L〕
　　阴离子合成洗涤剂〔mg/L〕
　　4、放射性指标
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
② 指导值
　　总α放射性〔Bq/L〕
　　总β放射性〔Bq/L〕 1
　　①　MPN表示最可能数；CFU表示菌落形成单位。当水样检出总大肠菌群时，应进一步检验大肠埃希氏菌或耐热大肠菌群；水样未检出总大肠菌群，不必检验大肠埃希氏菌或耐热大肠菌群。
　　②　放射性指标超过指导值，应进行核素分析和评价，判定能否饮用。
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
of rural drinking water sources, protection of drinking water sources in rural areas by the end of the delimitation of the scope of protection, complete with warning signs, isolating network protection facilities
饮用水中消毒剂常规指标及要求
　　消毒剂名称 与水接触时间 出厂水
　　中限值 出厂水
　　中余量 管网末梢水中余量
　　氯气及游离氯制剂〔游离氯,mg/L〕 至少30min 4 ≥ ≥
　　一氯胺〔总氯，mg/L〕 至少120min 3 ≥ ≥
　　臭氧〔O3，mg/L〕 至少12min
　　如加氯，
　　总氯≥
　　二氧化氯〔ClO2，mg/L〕 至少30min ≥ ≥