WS PAH Calibration Level 4 Back Catalog number: 92605 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 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 0813.15-K-IO 3-Methylphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 832-71-3 Price on request 675990 DMST, 100 µg/ml, Cyclohexane, 5ml Price on request