1,2,3-Trichloropropane

rac-(1R,2R)-1,2-dibromo-(4R)-4-((1R)-1,2-dibromoethyl)cyclohexane, 1.2ml x 50ug/ml , toluene

Atrazine-desisopropyl, 100µg/ml in Acetonitrile, 1ml

Mercury (Hg)