在线观看免费视频,永久免费不卡在线观看黄网站,久久精品中文字幕一区二区三区,中文字幕在线亚洲精品

項(xiàng)目序號(hào)

類別

標(biāo)準(zhǔn)值

項(xiàng)目

Ⅰ類

Ⅱ類

Ⅲ類

Ⅳ類

Ⅴ類

1

色(度)

≤5

≤5

≤15

≤25

>25

2

嗅和味

無

無

無

無

有

3

渾濁度(度)

≤3

≤3

≤3

≤10

>10

4

肉眼可見物

無

無

無

無

有

5

pH

6.5～8.5

5.5～6.5

8.5～9

<5.5，>9

6

總硬度(以CaCO3,計(jì))(mg/L)

≤150

≤300

≤450

≤550

>550

7

溶解性總固體(mg/L)

≤300

≤500

≤1000

≤2000

>2000

8

硫酸鹽(mg/L)

≤50

≤150

≤250

≤350

>350

9

qing化物(mg/L)

≤50

≤150

≤250

≤350

>350

10

鐵(Fe)(mg/L)

≤0.1

≤0.2

≤0.3

≤1.5

>1.5

11

錳(Mn)(mg/L)

≤0.05

≤0.05

≤0.1

≤1.0

>1.0

12

銅(Cu)(mg/L)

≤0.01

≤0.05

≤1.0

≤1.5

>1.5

13

鋅(Zn)(mg/L)

≤0.05

≤0.5

≤1.0

≤5.0

>5.0

14

鉬(Mo)(mg/L)

≤0.001

≤0.01

≤0.1

≤0.5

>0.5

15

鈷(Co)(mg/L)

≤0.005

≤0.05

≤0.05

≤1.0

>1.0

16

揮發(fā)性酚類(以苯酚計(jì))(mg/L)

≤0.001

≤0.001

≤0.002

≤0.01

>0.01

17

陰離子合成洗滌劑(mg/L)

不得檢出

≤0.1

≤0.3

≤0.3

>0.3

18

高錳酸鹽指數(shù)(mg/L)

≤1.0

≤2.0

≤3.0

≤10

>10

19

硝酸鹽(以N計(jì))(mg/L)

≤2.0

≤5.0

≤20

≤30

>30

20

亞硝酸鹽(以N計(jì))(mg/L)

≤0.001

≤0.01

≤0.02

≤0.1

>0.1

21

氨氮(NH4)(mg/L)

≤0.02

≤0.02

≤0.2

≤0.5

>0.5

22

氟化物(mg/L)

≤1.0

≤1.0

≤1.0

≤2.0

>2.0

23

碘化物(mg/L)

≤0.1

≤0.1

≤0.2

≤1.0

>1.0

24

qing化物(mg/L)

≤0.001

≤0.01

≤0.05

≤0.1

>0.1

25

汞(Hg)(mg/L)

≤0.00005

≤0.0005

≤0.001

≤0.001

>0.001

26

砷(As)(mg/L)

≤0.005

≤0.01

≤0.05

≤0.05

>0.05

27

硒(Se)(mg/L)

≤0.01

≤0.01

≤0.01

≤0.1

>0.1

28

鎘(Cd)(mg/L)

≤0.0001

≤0.001

≤0.01

≤0.01

>0.01

29

鉻(六價(jià))(Cr)(mg/L)

≤0.005

≤0.01

≤0.05

≤0.1

>0.1

30

鉛(Pb)(mg/L)

≤0.005

≤0.01

≤0.05

≤0.1

>0.1

31

鈹(Be)(mg/L)

≤0.00002

≤0.0001

≤0.0002

≤0.001

>0.001

32

鋇(Ba)(mg/L)

≤0.01

≤0.1

≤1.0

≤4.0

>4.0

33

鎳(Ni)(mg/L)

≤0.005

≤0.05

≤0.05

≤0.1

>0.1

34

滴滴涕(μg/L)

不得檢出

≤0.005

≤1.0

≤1.0

>1.0

35

六六六(μg/L)

≤0.005

≤0.05

≤5.0

≤5.0

>5.0

36

總大腸菌群(個(gè)/L)

≤3.0

≤3.0

≤3.0

≤100

>100

37

細(xì)菌總數(shù)(個(gè)/L)

≤100

≤100

≤100

≤1000

>1000

38

總σ放射性(Bq/L)

≤0.1

≤0.1

≤0.1

>0.1

>0.1

39

總β放射性(Bq/L)