EPA Method 8260B - Purgeable Internal Std

(-)-Captopril,neat,neat,10mg,

4-n-Octylphenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1806-26-4

8-Bromo-5,6-dihydro-4-hydroxy-11H-indolo[2,3-f]napththalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.