N.H. Code Admin. R. Env-Wq 1703.27
The values shown in Table 1703-5 shall be used to determine saltwater acute aquatic life criteria for ammonia, in milligrams of NH3 per liter (mg NH3/L), for a salinity of 10 g/kg:
Table 1703-5: Saltwater Acute Aquatic Life Criteria for Ammonia in mg NH3/L; Salinity = 10 g/kg
pH
Temperature (°C)
0
5
10
15
20
25
30
35
7.0
270
191
131
92
62
44
29
21
7.2
175
121
83
58
40
27
19
13
7.4
110
77
52
35
25
17
12
8.3
7.6
69
48
33
23
16
11
7.7
5.6
7.8
44
31
21
15
10
7.1
5.0
3.5
8.0
27
19
13
9.4
6.4
4.6
3.1
2.3
8.2
18
12
8.5
5.8
4.2
2.9
2.1
1.5
8.4
11
7.9
5.4
3.7
2.7
1.9
1.4
1.0
8.6
7.3
5.0
3.5
2.5
1.8
1.3
0.98
0.75
8.8
4.6
3.3
2.3
1.7
1.2
0.92
0.71
0.56
9.0
2.9
2.1
1.5
1.1
0.85
0.67
0.52
0.44
Source. (See Revision Notes #1, #2, and #3 at chapter heading for Env-Wq 1700) #12042, eff 12-1-16; ss by #14203, eff 2-26-25