EPA Method 608 Pesticides and PCB's Back Catalog number: 41000 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675993 Fenamiphos-sulfoxide, 100 µg/ml, Toluene, 5ml Price on request 90769 Isooctane Price on request 56055 Cesium (Cs) Price on request