4-Bromofluorobenzene, 100 µg/ml, Acetonitrile, 5

1,1,1-Trichloro-2-(2-chlorophenyl)-2-(4-chlorophenyl)ethane, 1.2mL x 100ug/mL, nonane

Atrazine-desethyl D6, 100 ng/µl, 1.1ml

2-Chloro[13C12]biphenyl, 50.0µg/mL in Nonane/5% toluene, 1,2ml