EPA Method 8061A Matrix Spike Solution

1-Nitropyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5522-43-0

trans-(13C10)Chlordane (g), 1.2mL x 100ug/mL, nonane

4-n-Nonylphenol, 10.0 µg/ml, Acetonitrile, 10ml