2,3,5,6-Tetrabromo-p-xylene, 1.2ml x 50ug/ml , toluene

2,3,6-Trichloroaniline, 10mg

p,p'-(13C12)Methoxychlor, 100µg/ml in Nonane, 1,2ml

4,7,10,13,16,19-Docosahexaenoic acid (all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 6217-54-5