EMEP24 expected values

Main components in synthetic precipitation

Unit G1 G2 G3 G4
SO4 µg S/ml 1.533 1.766 0.983 1.533
NO3 µg N/ml 0.479 0.431 0.637 0.741
NH4 µg N/ml 0.281 0.180 0.401 0.481
H µg/ml 80 92 40 48
Mg µg/ml 0.085 0.093 0.108 0.139
Na µg/ml 0.255 0.338 0.574 0.660
Cl µg/ml 0.145 0.174 0.463 0.521
Ca µg/ml 0.172 0.211 0.249 0.287
K µg/ml 0.280 0.316 0.194 0.178
Cond µS/cm 41.773 46.810 28.049 33.321
pH pH units 4.10 4.04 4.40 4.32

SO2-S in absorbing solution

Unit A1 A2 A3 A4 A5
SO2 µg S/ml 0.24 0.00 0.14 0.44 0.16

SO2 and HNO3 in impregnated filters

Unit B1 B2 B3 B4 B5
SO2 ug S/filter 0.00 24.05 10.02 72.10 56.08
HNO3 ug N/filter 0.00 16.36 9.82 32.72 29.45

NO2 in absorbing solution

Results given for the diluted sample

Unit C1 C2 C3 C4
NO2 ug N/ml 0.084 0.051 0.108 0.118

NH3-N in impregnated filters

Unit J1 J2 J3 J4 J5 J6
NH3 ugN/filter 10.03 22.06 32.08 9.02 0.00 0.00

Metals in synthetic precipitation

Unit H1 H2 H3 H4
Cr ng/ml 0.500 0.700 5.000 7.000
Ni ng/ml 0.800 0.900 8.000 9.000
Cu ng/ml 0.900 1.200 7.000 9.000
Zn ng/ml 7.000 9.000 110.0 120.0
As ng/ml 0.600 0.900 6.000 8.000
Cd ng/ml 0.060 0.070 0.800 0.900
Pb ng/ml 1.500 1.800 30.00 45.00