Applications The 40mL clear or amber vial with a Aijiren Tech Disc is suitable for discrete water sampling under U.S. EPA 40 CFR Parts 136 and 141. The 1.5mL clear and amber vials fit GC and LC autosamplers that use Aijiren Tech I-Chem and EP Amber VOA Glass Vials Shop a large selection of Sampling Vials products and learn more about