17?(H),21ß(H)-(22S)-Homohopane, 500µg/mL in Isooctane, 1mL

EPA 528 rev. 1.0 Internal Standard Solution 2 200µg/mL in dichloromethane; unit: 1x5mL 2081.6 2,3,4,5-Tetrachlorophenol [4901-51-3]

(-)-trans-Caryophyllene

Dibenzo[a,l]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 191-30-0