Herbicide Spiking Standard - TCLP Procedure Back Catalog number: 19249 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98653 PAH Standard (20 ppm) Price on request 96493 Hydrocodone-D3 Price on request 673632 Metalaxyl, 100 µg/ml, Ethyl acetate, 5ml Price on request