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

Dichlofenthion, 100 µg/ml, Toluene, 1ml

4-Chloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Isoproturon, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 34123-59-6