Etrimfos, 10 µg/ml, Acetonitrile, 10ml

[13C3],[13N3]-Cyanuric Acid, 1.2ml x 100ug/ml, water

Dibenz[a,h]anthracene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 53-70-3

Silicon (Si)