Thiophene (S) and Pyridine (N), 50mg/L

Methacrifos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 30864-28-9

GC/MS calibration and tuning standard

1,2,4,6,8-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane