The values shown in Table 1703-9 shall be used to determine saltwater chronic aquatic life criteria for ammonia, in mg NH3 /l, for a salinity of 20 g/kg:
Table 1703-9: Saltwater Chronic Aquatic Life Criteria for Ammonia in mg NH3/l; Salinity = 20 g/kg | ||||||||
pH | Temperature (°C) | |||||||
0 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | |
7.0 | 44 | 30 | 21 | 14 | 9.7 | 6.6 | 4.7 | 3.1 |
7.2 | 27 | 19 | 13 | 9.0 | 6.2 | 4.4 | 3.0 | 2.1 |
7.4 | 18 | 12 | 8.1 | 5.6 | 4.1 | 2.7 | 1.9 | 1.3 |
7.6 | 11 | 7.5 | 5.3 | 3.4 | 2.5 | 1.7 | 1.2 | 0.84 |
7.8 | 6.9 | 4.7 | 3.4 | 2.3 | 1.6 | 1.1 | 0.78 | 0.53 |
8.0 | 4.4 | 3.0 | 2.1 | 1.5 | 1.0 | 0.72 | 0.50 | 0.34 |
8.2 | 2.8 | 1.9 | 1.3 | .94 | .66 | .47 | .31 | .24 |
8.4 | 1.8 | 1.2 | .84 | .59 | .44 | .30 | .22 | .16 |
8.6 | 1.1 | .78 | .56 | .41 | .28 | .20 | .15 | .12 |
8.8 | .72 | .50 | .37 | .26 | .19 | .14 | .11 | .08 |
9.0 | .47 | .34 | .24 | .18 | .13 | .10 | .08 | .07 |
N.H. Admin. Code § Env-Wq 1703.31
(See Revision Note #1 at chapter heading for Env-Wq 1700) #7151, eff 12-10-99; ss by #9034, INTERIM, eff 12-10-07; ss by #9162, eff 5-21-08 (See Revision Note #2 at chapter heading for Env-Wq 1700)