EPA Method 507/525 Analytes Mix #4

3'-Fluoro-3,5-dichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 844856-38-8

Halauxifen (free acid), 100 µg/ml, Acetonitrile,

24R,25-Dihydroxyvitamin D3, 100μg/ml, 1ml