Arsenic (As)

Perfluoroheptanoic acid [PFHpA]

2-Methylnaphthalene

Set Up Mixture 2 S-4265 2 Analytes Units: Use this standard to verify that all instrument components, temperatures, and cut times are accurate. Name: Wt. % ETBE (Ethyl tert-butyl ether) 5,0 Isooctane 95,0