Metribuzin, 100µg/mL in Acetonitrile, 1ml

Acetamiprid-N-desmethyl-13CD3, 1mg

Ergosterol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 57-87-4

EPA Method 525.2 - Internal Standard, 2000µg/ml in MeChl, 1ml