IP 391-95 Calibration Level 4

4-Ethyl-6-methyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 132034-90-3

Cadusafos, 100 µg/ml, Acetonitrile, 5ml

Total Kjeldahl Nitrogen as N