EPA Method 601 Internal Standard

Drospirenone, 10mg

Mono(2-ethylhexyl) phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4376-20-9

Trixylyl phosphate, technical mixture,1000 µg/mL,isooctane,1mL,