EPA Method 504.1 - 524.2 Analytes Back Catalog number: 96656 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8721.22-K-IO Di-n-heptyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3648-21-3 Price on request 11779.10 1,2,3,4,6-Pentachloronaphthalene,,,, Price on request C431700 a-Cholestane, 100mg Price on request