Total Residual Free Chlorine (Cl)

2-Methylcyclopenta[l]phenanthrene, 500 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121254-39-5

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

N-methyl-d3-perfluoro-1-octanesulfonamidoacetic acid, 50µg/ml in MeOH, 1,2ml