QC Standard 1 Back Catalog number: 53084 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2195.11-K-ME 1-Methyl-4-nitronaphthalene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 880-93-9 Price on request 93466 EPA Method 8330 Analytes Price on request 676793 4-tert-Octylphenol-mono-ethoxylate, 1 µg/ml, Acet Price on request