Bifenox, 1000µg/ml in MeOH, 1ml

EPA Method 8270C - B/N Matrix Spiking Solution

Phthalic acid, bis-C6-C8-branched alkyl esters C7-rich, 100mg

1,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene