PCB No. 189, 10µg/ml in Isooctane, 10ml Back Catalog number: L20018900IO Availability: In the manufacturer's stock Price on request - + Recommended 9722.28-100-IO Octacosanoic acid, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-48-9 Price on request EPA-8290HRCC1-5 EPA Method 8290 Calibration Kit, 5 ampoules, nonane Price on request 11322.10-K-AN Phenacetin,1000 µg/mL,acetonitrile,1mL, Price on request