EPA Method 509 Internal Standard

ICP Multielement Standard

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

17 alpha(H),21ß(H)-(22R)-Homohopane, 50µg/mL in isooctane, 1ml