2,3',4,5'-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Cerotic acid, 100 µg/ml, Acetonitrile, 1ml

9-Methylcarbazole, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1484-12-4

Total Kjeldahl Nitrogen as N