2,4-Dibromophenol, 250mg

Bis(2-ethylhexyl-d17) tetrabromo[13C6]phthalate, 1.2ml x 50ug/ml, toluene

Pesticide Standard, varied µg/mL in Acetone, 1ml

n-Hydrocarbon Standard (C6-C32), 2000µg/ml in MeCHl, 1ml