EPA Method 8141 Standard Back Catalog number: 93595 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11179.17-500-IO Amber dioxane isomer mixture,500µg/mL,isooctane,1mL Price on request 680646 Pyrifluquinazon, 100 µg/ml, Acetonitrile, 1ml Price on request 674691 PSA-Mix 6 Price on request