EPA Method 552.2 - Surrogate Standard Back Catalog number: 30109 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10630.12-50-T 2,3,7,8-Tetrabromodibenzofuran Price on request 1874.9-K-CY 4-Methyloctane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2216-34-4 Price on request 93909 Volatile Standard Price on request