EPA Method 507 - Performance Check Solution

Fenbendazole-sulfone, 100 µg/ml, Methanol, 1ml

2,8-Dichlorodibenzofuran,50 µg/mL,n-nonane,1mL,

1,2-Dihydroxynaphthalene, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 574-00-5