ICP-MS Tuning Solution #1 EPA 200.8

1,4-Dinitrobenzene

2,3,3',4,4',5,6-Heptabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-68-2

Pyrene, 50mg