PCB No. 170, 10 ng/µl, 10ml

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

alpha-Cypermethrin, 10 µg/ml, Cyclohexane, 10ml

Tri-n-propyltin chloride, 100mg