EPA Method 515/8150/1658 Herbicides Back Catalog number: 31196 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3104.12-50-IO 2,2',5,6'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60044-25-9 Price on request 10103.10-100-ME trans-1,2-Dihydroxy-1,2-dihydronaphthalene-13C6,100 µg/mL,MeOH,1mL, Price on request 82705 EPA Method 8270A - Mix #11 Price on request