Total Phosphorus (P) Back Catalog number: 54133 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94239 PCB Congeners Standard Price on request 2931.8-100-IO 3,6-Dichloro-2-methoxy-d3-benzoic Acid, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 349553-95-3 Price on request 11701.12-100-IO 2,3',4',5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request