2,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml

Trimethoprim, >98,0%, 25g

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

Cyanazine, 100µg/ml in Acetonitrile, 1ml