Retention Time Marker Standard

2-Methylcyclopenta[l]phenanthrene, 500 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121254-39-5

bis(2-Ethylhexyl)phthalate-3,4,5,6-d4

EPA Method 8260 Volatile Standard