Total Residual Free Chlorine (Cl)

Propamocarb-d7 (O-propyl-d7),100 µg/mL,acetonitrile,1mL,

Kepone, 1000µg/ml in Acetone, 1ml

2,2',4,4',5,6'-Hexabromodiphenyl ether,50µg/ml,1ml