EPA Method 551.1 Standard Back Catalog number: 94519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0700.13-500-IO 1,2,3-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 879-12-9 Price on request X9060 Dibromochloromethane Price on request DF-2346-S 2,3,4,6-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request