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

n-Perfluorooctanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 335-67-1

2 alpha,17 alpha(H),21ß(H)-2-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 126208-29-7

Hexachlorobenzene