GC/MS performance check

Sodium 2-(N-ethylperfluorooctane-1-sulfonamido)ethyl phosphate, 1.2ml x 50ug/ml, methanol

Arochlor 5460 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11126-42-4

Hexachloro-1,3-butadiene, 100µg/ml in Isooctane, 1ml