EPA Method 548 Calibration Solution

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

1,4,5,8-Tetrachloronaphthalene (96%), 1.2ml x 48ug/ml, nonane

9,9'-Bifluorenylidene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 746-47-4