Base/Neutral Standard Back Catalog number: 93175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8645.12-50-NN 1,2,7,9-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 92805 Gas Internal/Surrogate Standard Price on request 8880.12-100-IO 2,4-Dichlorobiphenyl, 100µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 33284-50-3 Price on request