EPA Method 502.2/524.2/601 - Gases Back Catalog number: 30002 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 0272.24-10MG Naphtho[2,3-j]fluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 205-83-4 Price on request 72616 4-Nitrophenol-d4, 1000µg/ml in MeOH, 1ml Price on request 11740.12-100-IO 2,2',3,4,4',6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request