EPA Method 502/524 Fortification Solution

2,2',4,4',6-Pentabromo-6'-methoxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

4,4'-Difluorobiphenyl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 398-23-2

Epoxiconazole, 250mg