EPA Method 525.2Mix #1 Back Catalog number: 92207 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681986 Pethoxamid, 100 µg/ml, Acetonitrile, 5ml Price on request IBPO002 Indigotine (E 132), 1g Price on request 94020 Method 504.1MDL Mix Price on request