ICP-MS Tuning Solution #1 EPA 200.8

C27 Triaromatic ster-14(15)-ene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

trans-Chlordane (g), 1.2mL x 100ug/mL, nonane

o-Cresol