QC Metals Mix Back Catalog number: 59406 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93925 EPA Method 515 Herbicide Methyl Esters Price on request 11697.12-100-IO 2,3,4,6-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 70952 Pendimethalin Price on request