Perthane Back Catalog number: 3477.18-100-CY Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 0018.16-200-T Benzo[b]naphtho[2,3-d]furan, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 243-42-5 Price on request 3099.12-50-IO 2,4',5-Tribromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-36-3 Price on request 30082 EPA Method 507/525 Analyte Mix #1 Price on request