EPA Method 548.1 Analyte Back Catalog number: 30177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2025.6-5ML Pentachlorobenzene, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 608-93-5 Price on request 500976 Vinyl chloride, certified ref. material, 2000μg/mL in MeOH, 1ml Price on request 91435 Detector Performance Standard Price on request