Allopurinol, 100µg/ml in Acetonitrile, 5ml

2-Chloroanthracene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 17135-78-3

ASTM D-4815 Calibration Mix #2A

1,3,7,8-Tetrachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene