PCB-Mix 2, 10µg/mL in Cyclohexane, 10ml

1,1,1-Trichloroethane (stabilized with 5% 1,4-dioxane), 93.5%, in ampoule,neat,neat,1mL,

Metribuzin-diketo, 100 µg/ml, Acetonitrile, 1ml

Perchlorate (ClO4-)