Ariz. Admin. Code § tit. 18, ch. 11, art. 2, tbl. 12

Current through Register Vol. 30, No. 50, December 13, 2024
Table 12 - Acute Standards for Total Ammonia (in mg/L, as N) for Aquatic and Wildlife Warmwater AZ, Unionid Mussels Present

For the Aquatic and Wildlife Warmwater AZ uses, unionids will be assumed to be present unless a study is performed demonstrating that they are absent and there is no historic evidence of their presence, or hydrologic modification has altered the flow regime in a way that would prevent their reestablishment.

pH

Temperature (°C)

0-10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

6.5

51

48

44

41

37

34

32

29

27

25

23

21

19

18

16

15

14

13

12

11

9.9

6.6

49

46

42

39

36

33

30

28

26

24

22

20

18

17

16

14

13

12

11

10

9.5

6.7

46

44

40

37

34

31

29

27

24

22

21

19

18

16

15

14

13

12

11

9.8

9

6.8

44

41

38

35

32

30

27

25

23

21

20

18

17

15

14

13

12

11

10

9.2

8.5

6.9

41

38

35

32

30

28

25

23

21

20

18

17

15

14

13

12

11

10

9.4

8.6

7.9

7

38

35

33

30

28

25

23

21

20

18

17

15

14

13

12

11

10

9.4

8.6

7.9

7.3

7.1

34

32

30

27

25

23

21

20

18

17

15

14

13

12

11

10

9.3

8.5

7.9

7.2

6.7

7.2

31

29

27

25

23

21

19

18

16

15

14

13

12

11

9.8

9.1

8.3

7.7

7.1

6.5

6

7.3

27

26

24

22

20

18

17

16

14

13

12

11

10

9.5

8.7

8

7.4

6.8

6.3

5.8

5.3

7.4

24

22

21

19

18

16

15

14

13

12

11

9.8

9

8.3

7.7

7

6.5

6

5.5

5.1

4.7

7.5

21

19

18

17

15

14

13

12

11

10

9.2

8.5

7.8

7.2

6.6

6.1

5.6

5.2

4.8

4.4

4

7.6

18

17

15

14

13

12

11

10

9.3

8.6

7.9

7.3

6.7

6.2

5.7

5.2

4.8

4.4

4.1

3.8

3.5

7.7

15

14

13

12

11

10

9.3

8.6

7.9

7.3

6.7

6.2

5.7

5.2

4.8

4.4

4.1

3.8

3.5

3.2

2.9

7.8

13

12

11

10

9.3

8.5

7.9

7.2

6.7

6.1

5.6

5.2

4.8

4.4

4

3.7

3.4

3.2

2.9

2.7

2.5

7.9

11

9.9

9.1

8.4

7.7

7.1

6.6

3

5.6

5.1

4.7

4.3

4

3.7

3.4

3.1

2.9

2.6

2.4

2.2

2.1

8

8.8

8.2

7.6

7

6.4

5.9

5.4

5

4.6

4.2

3.9

3.6

3.3

3

2.8

2.6

2.4

2.2

2

1.9

1.7

8.1

7.2

6.8

6.3

5.8

5.3

4.9

4.5

4.1

3.8

3.5

3.2

3

2.7

2.5

2.3

2.1

2

1.8

1.7

1.5

1.4

8.2

6

5.6

5.2

4.8

4.4

4

3.7

3.4

3.1

2.9

2.7

2.4

2.3

2.1

1.9

1.8

1.6

1.5

1.4

1.3

1.2

8.3

4.9

4.6

4.3

3.9

3.6

3.3

3.1

2.8

2.6

2.4

2.2

2

1.9

1.7

1.6

1.4

1.3

1.2

1.1

1

0.96

8.4

4.1

3.8

3.5

3.2

3

2.7

2.5

2.3

2.1

2

1.8

1.7

1.5

1.4

1.3

1.2

1.1

1

0.93

0.86

0.79

8.5

3.3

3.1

2.9

2.7

2.4

2.3

2.1

1.9

1.8

1.6

1.5

1.4

1.3

1.2

1.1

0.98

0.9

0.83

0.77

0.71

0.65

8.6

2.8

2.6

2.4

2.2

2

1.9

1.7

1.6

1.5

1.3

1.2

1.1

1

0.96

0.88

0.81

0.75

0.69

0.63

0.58

0.54

8.7

2.3

2.2

2

1.8

1.7

1.6

1.4

1.3

1.2

1.1

1

0.94

0.87

0.8

0.74

0.68

0.62

0.57

0.53

0.49

0.45

8.8

1.9

1.8

1.7

1.5

1.4

1.3

1.2

1.1

1

0.93

0.86

0.79

0.73

0.67

0.62

0.57

0.52

0.48

0.44

0.41

0.37

8.9

1.6

1.5

1.4

1.3

1.2

1.1

1

0.93

0.85

0.79

0.72

0.67

0.61

0.56

0.52

0.48

0.44

0.4

0.37

0.34

0.32

9

1.4

1.3

1.2

1.1

1

0.93

0.86

0.79

0.73

0.67

0.62

0.57

0.52

0.48

0.44

0.41

0.37

0.34

0.32

0.29

0.27

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Ariz. Admin. Code tit. 18, ch. 11, art. 2, tbl. 12

New Section made by final rulemaking at 29 A.A.R. 302, effective 2/20/2023.