beta-HCH, 100 µg/ml, Ethyl acetate, 5ml

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

6:2 TriPAPS, neat, Solvent-neat, Unit ca. 50 µg, # of units-1, Cas.no.

Internal & Surrogate Standard 8260B