EPA Method 505 Analytes

Sodium p-n-undecylbenzenesulfonate, 100µg/mL in MeOH, 1ml

2,3-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 2169-87-1

Alternariol, 100 µg/ml, Acetonitrile, 1ml