ICP-MS Tuning Solution #1 EPA 200.8

3'-Fluoro-3,4,4',5-tetrachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Heptachlor-exo-epoxide (cis-)

PCB Congeners (10 ppm)