EPA Method 8060 QC Check Solution

PCB No. 209, 100µg/mL in Isooctane, 10ml

Perfluoro-n-heptanoic acid, 1.2ml x 50ug/ml, methanol

Toluene, 3 Wt% in Isooctane, 30mg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 108-88-3