PCB Congeners (10 ppm) Back Catalog number: 97819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96079 Chlormequat, 1000µg/ml in Water, 1ml Price on request 0568.30-10MG Friedelin, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 559-74-0 Price on request 680518 Ritodrine hydrochloride, 250mg Price on request