2,4-DB-methyl ester, 10.0 µg/ml, Ethyl acetate,

525 Spike Mix

2-Chloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 91-58-7

Chloramphenicol, 100 µg/ml, Acetonitrile, 1ml