自来水公司水厂常规检验检测项目标准

1     总大肠菌群                    MPN/100ml                                不得检出    未检出
2     耐热大肠菌群                  MPN/100ml                               不得检出    未检出
3     大肠埃希氏菌                  MPN/100ml                               不得检出    未检出
4     菌落总数                       ≤100                                       CFU/mL      <1 
5     砷                                ≤0.01                                      mg/L        <0.001
6     镉                                ≤0.005                                    mg/L        <0.0005
7     铬(六价)                    ≤0.05                                      mg/L        <0.004
8     铅                                ≤0.01                                      mg/L        0.006
9     汞                                ≤0.001                                    mg/L        0.0001
10    硒                               ≤0.01                                      mg/L        <0.0002
11    氰化物                         ≤0.05                                      mg/L        <0.002
12    氟化物                         ≤1.0                                        mg/L        0.61
13    硝酸盐(以N计)           ≤10,地下水源限制时为20          mg/L        0.200
14    三氯甲烷                      ≤0.06                                      mg/L        0.052
15    四氯化碳                      ≤0.002                                    mg/L        <0.0003
16    色度(铂钴色度单位)     ≤15                                                 <5 
17    浑浊度(散射浑浊度单位)≤1,水源与净水技术条件限制时为≤3       NTU         0.7 
18    臭和味                         无异臭、异味                                         无  
19    肉眼可见物                    无                                                   无  
20    PH                              6.5≤X≤8.5                                          7.75
21    铝                              ≤0.2                                    mg/L        0.10
22    铁                              ≤0.3                                    mg/L        0.18
23    锰                              ≤0.1                                    mg/L        <0.05
24    铜                              ≤1.0                                    mg/L        <0.05
25    锌                              ≤1.0                                    mg/L        <0.05
26    氯化物                        ≤250                                    mg/L        75.5
27    硫酸盐                        ≤250                                    mg/L        110 
28    溶解性总固体               ≤1000                                   mg/L        480 
29    总硬度(以CaCO3计) ≤450                                    mg/L        235 
30    耗氧量(CODMn法,以O2计)     ≤3,水源限制,原水耗氧量>6mg/L为                                                      5    mg/L        2.75
31    挥发酚类(以苯酚计)     ≤0.002                                  mg/L        <0.002
32    阴离子合成洗涤剂           ≤0.3                                    mg/L        0.07
33    氯气及游离氯制剂(游离氯)    ≥0.05                                   mg/L        0.60
34    氨氮                          ≤0.5                                    mg/L        0.060
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