EPA Method 8021B Internal Standard Back Catalog number: 19394 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1450.15-250MG 4-n-Nonylphenol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 104-40-5 Price on request S-4240-2K-IP EPA 8040A, Mixture B S-4240 9 Analytes, 2mg/mL each in isopropanol 2-Chlorophenol 2-Methylphenol 4-Methylphenol 2,6-Dichlorophenol 2,4-Dimethylphenol 2,4-Dinitrophenol Dinoseb 2,3,4,6-Tetrachlorophenol 2,4,5-Trichlorophenol Price on request S-4102-200-TX5 F-PAHs All in One Cocktail 1, Window 1-4 5 Analytes, each 200 µg/mL in toluene; units: 1x1mL, 5x1mL Compounds Window 1313.10 1-Fluoronaphthalene 1 [321-38-0] 1712.12 4-Fluorobiphenyl Price on request