EPA Method 8081A Pesticides QC Mix Back Catalog number: 92280 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C13205000 Erythrosin B disodium salt, certified, 0.25g Price on request 71822 1-Chloro-2,4-dinitrobenzene, 1000µg/ml in MeOH, 1ml Price on request XA11530000AL Chlorotoluron, 100µg/mL in Acetonitrile, 1ml Price on request