EPA Method 525 - PCB Standard Back Catalog number: 19063 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0213.22-10MG Benzo[g]chrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 196-78-1 Price on request 68C-IS Labelled Injection/Internal Standard Stock Solution, 1.2ml, nonane Price on request 2033.12-50-NN 1,2,4-Trichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request