EPA Method 525 Internals & Surrogates

2,2,5,7-Tetramethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23342-25-8

cis-2-Octene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 7642-04-8

Ethyl-t-butyl ether