Perchlorate (ClO4-), 100µg/mL in Water, 100ml

Heptanedioic-2,2,6,6-d4 acid,neat,neat,500mg,

D12-Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 1m

Pesticide-Mix 20 10 µg/mL in Cyclohexane, 1ml