Formaldehyde (2 ppm)

Tetrabenzo[def,lm,grs,yz]pyranthrene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 190-65-8

Butralin, 100 µg/ml, Ethyl acetate, 5ml

Neburon, 100 µg/ml, Acetonitrile, 5ml