Atrazine-desisopropyl-2-hydroxy, 100 µg/ml, Metha

n-Pentadecylcyclohexane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6006-95-7

2,3,3',5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

O,O,O-Triethylphosphorothioate