EPA Method 508.1 & 525.2 Pesticide Standard Back Catalog number: 91970 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P48-W-CS3 CS3 Calibration Sol Dioxin/PCB, in Nonane, 500µl Price on request 674901 Phenacetin, 250mg Price on request D447415-10MG N6,O2'-Dimethyladenosine, 10mg Price on request