EPA Method 8141/1657 Surrogate Standard Back Catalog number: 92357 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71970 4,4'-Dichlorobenzhydrol Price on request 79164 Aldrin Price on request 12002.34-K-IO Di-n-ditridecyl phthalate,1000 µg/mL,isooctane,1mL, Price on request