Gun Shot Residue

D3-Ibuprofen, 100 µg/ml, Acetonitrile, 1ml

2,3',4,5,5'-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL,

Pristane/n-Heptadecane Control Standard/Whole Oil Control Mixture 4 Pristane/n-Heptadecane = 1:2 (1000µg Pristane and 2000µg n-Heptadecane in 1mL isooctane)