Total Residual Free Chlorine (Cl)

2,4,5-Trihlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 15862-07-4

EPA 16 PAH Cocktail (13C,99%), 5µg/ml Nonane,1,2ml

N,O-Bis(trimethylsilyl)trifluoroacetamide, neat, Solvent-neat, Unit 1mL, # of units-10, Cas.no. 25561-30-2