EPA Method 502/524 Fortification Solution

Sulfamethoxazole, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 723-46-6

11-cis,14-cis-Eicosadienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5598-38-9

Diisobutyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL,