EPA Method 531.1 - Analytes Back Catalog number: 30042R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19362 EPA Method 525 - PAH Standard Price on request 3494.11-100 Propoxur, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 114-26-1 Price on request 3846.6-100MG 2-Methylpyridine,neat,neat,100mg, Price on request