EPA Method 515.1 - Performance Check Solution

1,2,3,4-Tetrachloro-1,2,3,4-tetrahydronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no.

Decabromodiphenyl ether, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 1163-19-5

Di-n-octyl phthalate, 250mg