EPA Method 8270C - B/N Matrix Spiking Solution

Metals Stock Standard

1,2,4,7-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane

Natural 2,3,5,6-tetramethylpyrazines, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.