3,4,4'-Trichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

EPA Method 500 Series Internal Std #4

6-n-Propylchrysene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 6910-41-4

Custom Phthalate Mixture 100µg/mL each in dichloromethane 2094.10 Dimethylphthalate 1225.12 Diethylphthalate 2101.16 Di-isobutyl phthalate 1226.16 Dibutyl phthalate 1227.19 Butylbenzyl phthalate 1224.24 Bis(ethylhexyl)phthalate 8779.14 Di-n-butyl ph