EMEP42 expected values
Metals in synthetic precipitation
|
| Unit
| H1
| H2
| H3
| H4
|
| Cr
| ng/ml
| 0.222
| 0.333
| 0.592
| 0.296
|
| Ni
| ng/ml
| 0.296
| 0.222
| 0.592
| 0.444
|
| Cu
| ng/ml
| 0.444
| 0.370
| 0.814
| 0.333
|
| Zn
| ng/ml
| 2.78
| 1.85
| 6.29
| 3.52
|
| As
| ng/ml
| 0.204
| 0.259
| 0.555
| 0.333
|
| Cd
| ng/ml
| 0.0185
| 0.0296
| 0.0592
| 0.0222
|
| Pb
| ng/ml
| 0.333
| 0.592
| 1.18
| 0.370
|
Main components in synthetic precipitation
|
| Unit
| G1
| G2
| G3
| G4
|
| SO4
| ug S/ml
| 0.33
| 0.281
| 0.252
| 0.236
|
| NO3
| ug N/ml
| 0.201
| 0.295
| 0.359
| 0.393
|
| NH4
| ug N/ml
| 0.0989
| 0.123
| 0.195
| 0.171
|
| Mg
| ug/ml
| 0.134
| 0.114
| 0.0981
| 0.0919
|
| Na
| ug/ml
| 0.744
| 1.19
| 1.06
| 1.06
|
| Cl
| ug/ml
| 1.00
| 1.58
| 1.43
| 1.27
|
| Ca
| ug/ml
| 0.166
| 0.140
| 0.121
| 0.114
|
| K
| ug/ml
| 0.117 (*)
| 0.181 (*)
| 0.22 (*)
| 0.214 (*)
|
| Cond
| uS/cm
| 9.44
| 12.0
| 12.0
| 11.5
|
| pH
| pH units
| 5.48
| 5.49
| 5.44
| 5.45
|
SO2 and HNO3 in impregnated filters
|
| Unit
| B1
| B2
| B3
| B4
| B5
| B6
|
| SO2
| ug S/filter
| 18.0
| 0
| 30.1
| 31.3
| 23.6
| 0
|
| HNO3
| ug N/filter
| 17.3
| 0
| 22.9
| 27.2
| 18.0
| 0
|
NO2 in absorbing solution
|
| Unit
| C1
| C2
| C3
| C4
|
| NO2
| ug N/ml
| 0.187
| 0.122
| 0.248
| 0.154
|
NH3-N in impregnated filters
|
| Unit
| J1
| J2
| J3
| J4
| J5
| J6
|
| NH3
| ug N/filter
| 0
| 9.52
| 8.72
| 4.51
| 5.81
| 0
|
(*) The original expected value has been replaced with the median value of all reported values.
Last updated: February 2025 by Anne Hjellbrekke