EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50277 ICP-MS MIx Price on request 10396.21-50-ME (-)-delta-9-THC-acid-13C4 Price on request 13800-0110-1000IO Di-iso-butyl phthalate, 1000µg/ml in Isooctane, 5ml Price on request