CS4 Calibration Sol Dioxin/PCB, in Nonane, 500µl

2-Furoic acid, 100mg

3,3'-Dimethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 612-75-9

Method 429 Recovery Standard Solution, 100µg/ml in Isooctane/10% toluene, 1,2ml