Malathion, 100 µg/ml, Acetonitrile, 5ml

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

Chlorodibromomethane, in Certan bottle, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 124-48-1

N-ethyl-d5-perfluoro-1-octanesulfonamidoacetic acid, 50µg/ml in MeOH, 1,2ml