1,2,3,4-Tetrahydronaphthalene, certified, 50mg Back Catalog number: C20940000 Availability: In the manufacturer's stock Price on request - + Recommended 92695 LCPAH, varied ug/mL in Acetonitrile, 1ml Price on request 44002 EPA Method 601Mix #2 Price on request 92682 Pesticide Mix #1 Price on request