EPA Method 617/8080/8250/8270 - Analytes Back Catalog number: 10213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678508 Tetrachlorvinphos, 100 µg/ml, Acetonitrile, 5ml Price on request 56114 Silicon (Si) Price on request 8816.12-100-IO 2,2',4,6,6'-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 56558-16-8 Price on request