EPA Method 526 Standard

Technical Ammonium Perfluorooctanoate, 1.2ml x 50ug/ml, methanol

(±)-Atenolol-d7 (N-isopropyl-d7),100 µg/mL,MeOH,1mL,

Stigmasterol, 100µg/mL, Solvent-n-hexane, Unit 1mL, # of units-1, Cas.no. 83-48-7