EMEP27 expected values

Main components in synthetic precipitation

Unit G1 G2 G3 G4
SO4 ug S/ml 1.141 1.183 0.707 0.818
NO3 ug N/ml 0.311 0.369 0.432 0.495
NH4 ug N/ml 0.134 0.187 0.241 0.294
H ug/ml 53 60 27 30
Mg ug/ml 0.155 0.083 0.103 0.124
Na ug/ml 0.286 0.317 0.390 0.476
Cl ug/ml 0.193 0.212 0.270 0.347
Ca ug/ml 0.102 0.140 0.179 0.217
K ug/ml 0.221 0.204 0.170 0.136
Cond ug/ml 29 32 19 22
pH pH units 4.27 4.22 4.57 4.52

SO2-S in absorbing solution

Unit A1 A2 A3 A4 A5
SO2 ug S/ml 0.12 0.20 0.00 0.28 0.40

SO2 and HNO3 in impregnated filters

Unit B1 B2 B3 B4 B5
SO2 ug S/filter 200.4 0.0 140.3 560.8 721.0
HNO3 ug N/filter 16.36 0.00 13.09 24.54 29.45

NO2 in absorbing solution

Results given for the diluted sample

Unit C1 C2 C3 C4
NO2 ug N/ml 0.052 0.103 0.079 0.086

NH3-N in impregnated filters

Unit J1 J2 J3 J4 J5 J6
NH3 ugN/filter 16.04 0.00 24.06 0.00 30.08 10.03

Metals in synthetic precipitation

Unit H1 H2 H3 H4
Cr ng/ml 0.800 0.600 6.000 7.000
Ni ng/ml 0.700 0.800 9.000 8.000
Cu ng/ml 0.800 1.400 8.000 9.000
Zn ng/ml 6.000 8.000 100.00 110.00
As ng/ml 0.700 0.500 6.000 7.000
Cd ng/ml 0.070 0.060 0.700 0.600
Pb ng/ml 1.500 1.000 25.00 30.00