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

5,6-Dimethyl-1H-benzotriazole monohydrate, 100mg

EPA 8041A Surrogate Standard PFB-derivatives S-4373 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol-PFB

2-Naphthol, 500mg