EPA Method 508 Pesticide Mix Back Catalog number: 92248 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11680.12-100-IO 2,3',4'-Trichlorobiphenyl (= 2',3,4-),100 µg/mL,isooctane,1mL, Price on request 676371 Heptadecafluorononanoic acid, 100mg Price on request 98555 Formaldehyde (1 ppm) Price on request