EPA Method 507 - Performance Check Solution

Stanozolol,100 µg/mL,acetonitrile,1mL,

2,3,3',4,5',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Dodecene-1LAS, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 25155-30-0