EPA Method 8040 - Surrogate Standard Mix Back Catalog number: 80413 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685352 D5-threo-Chloramphenicol, 100µg/ml, Acetonitrile, 1ml Price on request 11709.12-100-IO 2,2',3,3',5-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request C14379000 D-Isoascorbic acid, 250mg Price on request