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

Furazolidone D4, 10mg

4-n-Nonylphenol, 10.0 µg/ml, Acetonitrile, 10ml

EPA Method 537 Analyte Primary Dilution Standard, 2000ng/ml in MeOH, 1,2ml