PCB Congeners (10 ppm) Back Catalog number: 97819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10294.5-100-MEX5 N-Nitroso-L-proline Price on request 3305.19-K-IO Methyl octadecadienoate (9c,11tr) , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13058-52-1 Price on request 3585.30-10MG Thioxanthone-64, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request