EPA Method 551.1 Performance Check Soln

2',3,5-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-68-5

Tetrachloromethane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 56-23-5

(-)-trans-Caryophyllene, >98%, 1ml