Atrazine-2-hydroxy, 10.0 µg/ml, Methanol, 10ml

Tris(2-butoxy-[13C2]-ethyl) phosphate, 1.2ml x 50ug/ml, toluene

1,1,1,3,14,15-Hexachloropentadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

1-(3-Chloro-4-methylphenyl)-3-methylurea, 100mg