EPA Method 505 Analyte Mix Back Catalog number: 30181 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CA12670400 Dimethachlor oxalamic acid (OA), 10mg Price on request 31027 EPA Method 525 Pesticide Mix #1 Price on request XA13020000AL Diuron, 100µg/mL in Acetonitrile, 1ml Price on request