EPA Method 500 Series Internal Std #4 Back Catalog number: 32003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 14500-0700-100AN5 3,6-Dimethylphenanthrene, 100µg/ml in AL, 5ml Price on request 1768.16-10MG 1,3-Diaminopyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 92821-64-2 Price on request 10627.12-50-NN 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin ,50 µg/mL,n-nonane,1mL, Price on request