4-Hydroxybenzoic Acid-d4, 10mg

2,2',3',4,5-Pentachlorobiphenyl

alpha-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 319-84-6

Benzene/n-Hexane Control Standard Benzene/n-Hexane = 1:2 (Neat 1mL)