EPA Method 507Mix #7

Brassicasterol, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 474-67-9

Perfluorooctane sulfonic acid potassium salt, 100mg

Methyl 14-cis-pentadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91400-78-1