EPA Method 525 - Fortification Solution

Heptachlor-exo-epoxide, 10.0 µg/ml, Ethyl acetate

Eudalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 490-65-3

D8-Ciprofloxacin hydrochloride hydrate, 100 µg/ml,