EPA Method 8060 QC Check Solution

2,2',3,3',4,4',5,5',6-Nonachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml

4-Nitrophenol

2,3,6-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL,