EPA Method 8250/8250A Cal Check Cmpds Acids

alpha-D(+)-Melibiose hydrate, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 585-99-9

Diuron, 10.0 µg/ml, Acetonitrile, 10ml

1,8-Dimethylnaphthalene-d12, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 104489-29-4