EPA Method 551.1 Standard

n-Butyl-iso-butyl phthalate-3,4,5,6-d4 (n-Butyl-2-methylpropyl phthalate-3,4,5,6-d4), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Spironolactone,neat,neat,10mg,

Aqueous Ethanol Standard (0.8g/l), 10 x 1,2ml