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 11286.14-100-AN Thiophanate-d10 (O,O-diethyl-d10),100 µg/mL,acetonitrile,1mL, Price on request 1428.10-1G 2-Isopropyl-5-methylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 89-83-8 Price on request 677646 2-Naphthol, 500mg Price on request