EPA 1620 Standard 3 Back Catalog number: 53141 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3073.11-10MG 4-Methyl-2-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 26207-06-7 Price on request 73199 Bupirimate Price on request 2424.6-K-IP 2,3,6-Trichlorophenol-4,5-d2, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 93951-81-6 Price on request