n-Undecane, ?13C: -26.11, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 1120-21-4

ß alpha alpha (20R,24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4705-29-7

4,4'-DDT, 100mg

4-tert-Octylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 140-66-9