N-Nitrosodiethylamine, 1g

Bromophos-ethyl, 10.0 µg/ml, Ethyl acetate, 10ml

Isooctane, Surface tension 18mN/m at 20C, 30ml

2,3',4',5-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane