Total THC - Performance Test GC Back Catalog number: 38367 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673907 Hexaflumuron, 100mg Price on request 675415 Fenchlorphos-oxon, 100 µg/ml, Acetonitrile, 1ml Price on request 95092 ASTM Benzene Amp#5 Price on request