Dicrotophos, 100 µg/ml, Ethyl acetate, 5ml

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

Formaldehyde-2,4-DNPH, 1000µg/ml in Acetonitrile, 5ml

Potassium 11-chloroeicosafluoro-3-oxaundecane-1-sulfonate, 50µg/ml in MeOH, 1,2ml