Initial Check Verif. Standard 4, in 4%HNO3, 100ml

Tris(1,3-dichloro-2-propyl)phosphate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 13674-87-8

2,3,3',4,5,5'-Hexachlorobiphenyl-2',4',6'-d3,100 µg/mL,isooctane,1mL

N-Nitroso-N-ethylaniline, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 612-64-6