EPA Method 515.2 - Analytes Back Catalog number: 30176 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3176.7-K-IO Ethyl pentanoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 539-82-2 Price on request 1109.13-K-T 2-Nitrofluorene-d9, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 128008-87-7 Price on request 73394 4-Chloro-3,5-dinitrobenzotrifluoride Price on request