EPA Method 525.2 - 526 Internal Standard Back Catalog number: 91297 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0263.20-K-T Benzo[b]fluoranthene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 205-99-2 Price on request 93620 Sugars Standard Price on request 685274 Nystatin, 250mg Price on request