Nonanoic acid, 1ml

2,2’,3,3’,4,4’,5,5’-Octachlorobiphenyl (194)

2,3,4',5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL,

Atrazine-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL,