Betamethasone, 100mg

Terbuthylazine-desethyl-2-hydroxy, 10µg/ml in Acetonitrile, 10ml

1-/3-Nitrobenzo[a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 70021-99-7/70021-98-6

EPA Method 8260 Internal Standard - Revised