EMEP26 expected values

Main components in synthetic precipitation

Unit G1 G2 G3 G4
SO4 ug S/ml 1.402 1.030 0.750 0.868
NO3 ug N/ml 0.307 0.325 0.442 0.505
NH4 ug N/ml 0.147 0.160 0.267 0.321
H ug/ml 67 50 30 33
Mg ug/ml 0.175 0.072 0.088 0.114
Na ug/ml 0.243 0.274 0.385 0.433
Cl ug/ml 0.154 0.174 0.290 0.309
Ca ug/ml 0.128 0.166 0.192 0.230
K ug/ml 0.204 0.187 0.153 0.119
Cond ug/ml 35 27 21 23
pH pH units 4.18 4.30 4.52 4.48

SO2-S in absorbing solution

Unit A1 A2 A3 A4 A5
SO2 ug S/ml 0.10 0.00 0.22 0.16 0.32

SO2 and HNO3 in impregnated filters

Unit B1 B2 B3 B4 B5
SO2 ug S/filter 24.05 16.00 0.00 60.09 76.11
HNO3 ug N/filter 11.45 16.36 0.00 22.90 26.18

NO2 in absorbing solution

Results given for the diluted sample

Unit C1 C2 C3 C4
NO2 ug N/ml 0.037 0.085 0.068 0.119

NH3-N in impregnated filters

Unit J1 J2 J3 J4 J5 J6
NH3 ugN/filter 14.04 22.06 28.07 0.00 0.00 11.03

Metals in synthetic precipitation

Unit H1 H2 H3 H4
Cr ng/ml 0.70 0.60 5.00 6.00
Ni ng/ml 0.60 0.70 8.00 9.00
Cu ng/ml 0.70 1.20 7.50 9.00
Zn ng/ml 5.50 7.00 110.0 120.0
As ng/ml 0.60 0.50 5.00 6.00
Cd ng/ml 0.06 0.07 0.60 0.70
Pb ng/ml 1.30 1.50 23.0 35.0