项 目 |
标准限值 | |
一级 |
二级 | |
色 | 色度不超过15度,并不得呈现其他异色 | 不应有明显的其他异色 |
浑浊度 (度) | ≤3 | |
嗅和味 | 不得有异臭、异味 | 不应有明显的异臭、异味 |
pH值 | 6.5~8.5 | 6.5~8.5 |
总硬度(以碳酸钙计)(mg/L) | ≤350 | ≤450 |
溶解铁 (mg/L) | ≤0.3 | ≤0.5 |
锰 (mg/L) | ≤0.1 | ≤0.1 |
铜 (mg/L) | ≤1.0 | ≤1.0 |
锌 (mg/L) | ≤1.0 | ≤1.0 |
挥发酚(以苯酚计 (mg/L) | ≤0.002 | ≤0.004 |
阴离子合成洗涤剂 (mg/L) | ≤0.3 | ≤0.3 |
硫酸盐 (mg/L) | <250 | <250 |
氯化物 (mg/L) | <250 | <250 |
溶解性总固体 (mg/L) | <1000 | <1000 |
氟化物 (mg/L) | ≤1.0 | ≤1.0 |
氰化物 (mg/L) | ≤0.05 | ≤0.05 |
砷 (mg/L) | ≤0.05 | ≤0.05 |
硒 (mg/L) | ≤0.01 | ≤0.01 |
汞 (mg/L) | ≤0.001 | ≤0.001 |
镉 (mg/L) | ≤0.01 | ≤0.01 |
铬(六价) (mg/L) | ≤0.05 | ≤0.05 |
铅 (mg/L) | ≤0.05 | ≤0.07 |
银 (mg/L) | ≤0.05 | ≤0.05 |
铍 (mg/L) | ≤0.0002 | ≤0.0002 |
氨氮(以氮计) (mg/L) | ≤0.5 | ≤1.0 |
硝酸盐(以氮计) (mg/L) |
≤10 |
≤20 |
耗氧量( KMnO4法) (mg/L) | ≤3 | ≤6 |
苯并(?)芘 (?g/L) | ≤0.01 | ≤0.01 |
滴滴涕 (?g/L) | ≤1 | ≤1 |
六六六 (?g/L) | ≤5 | ≤5 |
百菌清 (mg/L) | ≤0.01 | ≤0.01 |
总大肠菌群 (个/L) | ≤1000 | ≤10000 |
总?放射性 (bq/L) | ≤0.1 | ≤0.1 |
总?放射性 (bq/L) | ≤1 | 相关搜索: 水质
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