EPA Method 8081A Pesticides QC Mix

2-Fluorofluorene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 343-43-1

t-1-Ethyl-2-methylcyclopentane

2,2',4,4',5,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,