Chlorpyrifos-D10, 100µg/mL in Acetone, 1ml

3,3'-Thiodipropionic acid didodecyl ester, 250mg

Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane

22,29,30-Trisnor-17 alpha(H)-hopan-21-one, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1172-78-7