EMEP29 expected values
Main components in synthetic precipitation
| Unit
| G1
| G2
| G3
| G4
|
SO4
| ug S/ml
| 0.859
| 1.090
| 0.634
| 0.771
|
NO3
| ug N/ml
| 0.270
| 0.352
| 0.415
| 0.607
|
NH4
| ug N/ml
| 0.134
| 0.214
| 0.267
| 0.348
|
H
| ug/ml
| 40
| 53
| 20
| 27
|
Mg
| ug/ml
| 0.103
| 0.093
| 0.114
| 0.145
|
Na
| ug/ml
| 0.268
| 0.208
| 0.318
| 0.512
|
Cl
| ug/ml
| 0.193
| 0.154
| 0.270
| 0.347
|
Ca
| ug/ml
| 0.102
| 0.140
| 0.204
| 0.192
|
K
| ug/ml
| 0.136
| 0.204
| 0.170
| 0.238
|
Cond
| ug/ml
| 22
| 29
| 16
| 22
|
pH
| pH units
| 4.40
| 4.27
| 4.70
| 4.57
|
SO2-S in absorbing solution
| Unit
| A1
| A2
| A3
| A4
| A5
|
SO2
| ug S/ml
| 0.20
| 0.16
| 0.28
| Blank
| 0.40
|
SO2 and HNO3 in impregnated filters
| Unit
| B1
| B2
| B3
| B4
| B5
|
SO2
| ug S/filter
| 14.0
| 28.1
| Blank
| 63.9 (*)
| 33.5 (*)
|
HNO3
| ug N/filter
| 11.5
| 22.9
| Blank
| 23.1 (*)
| 18.0
|
NO2 in absorbing solution
Results given for the diluted sample
| Unit
| C1
| C2
| C3
| C4
|
NO2
| ug N/ml
| 0.056
| 0.094
| 0.075
| 0.113
|
NH3-N in impregnated filters
| Unit
| J1
| J2
| J3
| J4
| J5
| J6
|
NH3
| ugN/filter
| 16.0
| 24.1
| Blank
| Blank
| 31.5 (*)
| 9.52
|
Metals in synthetic precipitation
| Unit
| H1
| H2
| H3
| H4
|
Cr
| ng/ml
| 0.800
| 0.850
| 6.400
| 5.000
|
Ni
| ng/ml
| 0.750
| 0.500
| 9.900
| 11.000
|
Cu
| ng/ml
| 1.100
| 0.900
| 8.000
| 6.500
|
Zn
| ng/ml
| 4.500
| 8.000
| 105.0
| 100.0
|
As
| ng/ml
| 0.550
| 0.300
| 7.500
| 5.000
|
Cd
| ng/ml
| 0.040
| 0.080
| 0.700
| 0.750
|
Pb
| ng/ml
| 1.500
| 1.100
| 21.00
| 24.50
|
(*) All reported values showed a systematic error compared to the expected value. This is highly unusual and we consider the theoretical value to be wrong. The original expected values is thus replaced with the median value of all reported values.
Last updated: January 2011 by Anne Hjellbrekke