EPA Method 548 Analyte Back Catalog number: 30048 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677355 Fluorene, 100 µg/ml, Cyclohexane, 1ml Price on request 71605 Chlorotrifluoroethene Price on request T293240 delta 8-Tetrahydro Cannabinol, 10mg Price on request