PCB Mix 25 ppb Back Catalog number: 98626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53069 Spiking Standard 1 Price on request 11696.12-100-IO 2,3,4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 678211 Glufosinate-ammonium, 100 µg/ml, Water, 5ml Price on request