11-Methylbenz[a]anthracene,50 µg/mL,toluene,1mL,

1,1,1,3,10,12,12,12-Octachlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 601523-21-1

Styrene, 2000µg/ml in MeOH, 1ml

Multi-Element Sol.1, 10µg/mL in 5%HNO3 /H2O, 100ml