EPA Method 505/507 - Pesticide Standard Back Catalog number: 91936 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-11455A1-1ML Chlorotoluron, 100µg/ml in Acetonitrile, 1ml Price on request C16971330 Solvent Violet 13, certified, 0.1g Price on request 71822 1-Chloro-2,4-dinitrobenzene, 1000µg/ml in MeOH, 1ml Price on request