ICP-MS Tuning Solution #1 EPA 200.8

Ergosterol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 57-87-4

Dicrotophos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 141-66-2

Phthalic acid, bis-isopentyl ester, 25mg