VPH Primary Calibration Rev 1.1 Back Catalog number: 51167 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10628.12-50-NN 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL, Price on request 680110 D5-Cyprodinil, 5mg Price on request 11696.12-100-IO 2,3,4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request