Chlorpyrifos-d10 (O,O-diethyl-d10),100 µg/mL,isooctane,1mL,

CONOSTAN Standard S-21, 30 ppm, 100g

2,2',3,3',4,5,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL,

4-n-Octylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1806-26-4