2-Chloronaphthalene, 1.2ml x 50ug/ml, nonane

Hexachloro-1,3-butadiene-13C4,100 µg/mL,isooctane,1mL,

5-(Hydroxymethyl)-2-furaldehyde, 100mg

Crotoxyphos, 1000µg/ml in in hexane:acetone [9:1], 1ml