Aijiren Tech VOA vials for soil Analysis of 8 Polycyclic Aromatic Hydrocarbons in Soil Using Vials and Closures: Aijiren Tech 9 mm Wide Opening Screw Thread 6080-599 Vial Convenience Kit, 2 mL Clear Vial with Patch, Blue Polypropylene Closure with Clear PTFE/Blue Silicone Septa Reagents: Aijiren Tech ScientificTM LC-MS grade acetonitrile A/0638/7 Aijiren Tech Scientific LC-MS grade water W/02/7