Benzene/n-Hexane Control Standard Benzene/n-Hexane = 1:2 (Neat 1mL)

Custom Mix of 4-Nonyl- and 4-t-Octylphenols ethoxylates, 100/20µg/ml in Acetone, 5x1ml

Carbetamide

Toxaphene, 100µg/ml in Acetonitrile, 5ml