Massachusetts APH Standard Back Catalog number: 94496 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52089 Calibration Standard Kit Price on request 11920.6-100-NN gamma-BHC-13C6,100 µg/mL,n-nonane,1mL, Price on request C20990600 6-Hydroxychrysene, 10mg Price on request