Dow 624B Volatile Internal/Surrogate Standard

Pentachlorobenzene, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 608-93-5

Pesticide Mix #4

17 alpha(H),21 alpha(H)-(22RS)-Homohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no.