EPA Method 8040 - Surrogate Standard

(2RS)-2-(4-n-Propylphenyl)propanoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3585-47-5

2-Nitrofluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 13177-29-2

2?-Methyl-18?(H)-Oleanane,neat,neat,Ca. 5 µg,