Fenitrothion-oxon, 100 µg/ml, Ethyl acetate, 1ml

Trixylyl phosphate, purified ion m/z 382 (tetramethyl),100 µg/mL,isooctane,1mL,

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

4,4'-DDE, 100 µg/ml, Toluene, 5ml