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

p-n-Nonylphenol Diethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml

Aqueous ethanol control EtOH AQ (2.0g/L), 10x1,5ml

Perfluoro-4-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol