EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94478 n-Hydrocarbon Standard - EPH Price on request 673559 alpha-Endosulfan, 10.0 µg/ml, Ethyl acetate, 10m Price on request 3472.6-100-CY Pentachloroaniline, 100µg/mL, Solvent-c.hexane, Unit 1mL, # of units-1, Cas.no. 527-20-8 Price on request