EPA Method 8270C Mix #27 Back Catalog number: 91006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C12637690 Diisopropylnaphthalene (mixture of isomers), certified, 0.1g Price on request 678490 Propaquizafop, 100 µg/ml, Acetonitrile, 5ml Price on request 51045 D-4929 Stock Chlorine Standard Price on request