Mesosulfuron-methyl, 100 µg/ml, Acetonitrile, 5m

n-Butyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-67-0

Chrysene-d12, 100µg/mL in Toluene, 1ml

Aroclor 1254