EPA Method 1666Labeled Standard Back Catalog number: 82493 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675167 Ethidimuron, 10 µg/ml, Acetonitrile, 10ml Price on request 11675.12-100-IO 2,3,6-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 8648.12-50-T 1,2,4,6,7-Pentachlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request