EPA Method 515.1 Analytes - Underivatized Back Catalog number: 83596 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59827 Metals Mix #1Low Conc. Price on request 0167.14-500-IO 1,2,5,6-Tetramethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-43-3 Price on request E523000 Emodin, 50mg Price on request