EPA Method 8141 Surrogate Standard Back Catalog number: 92387 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93947 Dextrin Price on request 11767.12-100-IO 2,3,3',4,4',5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 95714 Glycol Standard Price on request