EPA Method 555 Phenoxy-acids Herbicides Back Catalog number: 30555 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11760.12-100-IO 2,2',3,3',5,6,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 673827 Pentachlorobenzene, 1000mg Price on request 92103 Herbicides Mix #1 - Methyl Derivatives Price on request