Arsenic (As)

2,3,3',4,5,5'-Hexachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene

Triacosanoic acid, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-50-3

EPA 528 rev. 1.0 Internal Standard Solution 1 100µg/mL in dichloromethane; unit: 1x5mL 3841.8 1,2-Dimethyl-3-nitrobenzene [83-41-0]