N.H. Code Admin. R. Env-Wq 1703.30
The values shown in Table 1703-8 shall be used to determine saltwater chronic aquatic life criteria for ammonia, in mg NH3 /L, for a salinity of 10 g/kg:
Table 1703-8: Saltwater Chronic 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
41
29
20
14
9.4
6.6
4.4
3.1
7.2
26
18
12
8.7
5.9
4.1
2.8
2.0
7.4
17
12
7.8
5.3
3.7
2.6
1.8
1.2
7.6
10
7.2
5.0
3.4
2.4
1.7
1.2
0.84
7.8
6.6
4.7
3.1
2.2
1.5
1.1
0.75
0.53
8.0
4.1
2.9
2.0
1.40
0.97
0.69
0.47
0.34
8.2
2.7
1.8
1.3
0.87
0.62
0.44
0.31
0.23
8.4
1.7
1.2
0.81
0.56
0.41
0.29
0.21
0.16
8.6
1.1
0.75
0.53
0.37
0.27
0.20
0.15
0.11
8.8
0.69
0.50
0.34
0.25
0.18
0.14
0.11
0.08
9.0
0.44
0.31
0.23
0.17
0.13
0.10
0.08
0.07
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