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

2,3,4,6,7,8-Hexachlorodibenzofuran

Dicyclohexyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 358731-25-6

S-Metolachlor, 1000μg/mL in Acetone, 1ml