Oxadiazon-hydroxy ,10 µg/mL,toluene,1mL,

2,2',4,4',6,6'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Tri-n-pentyltin chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3342-67-4

Valeraldehyde-DNPH