EPA Method 8260 - Surrogate Standard Back Catalog number: 21002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1234678-S 1,2,3,4,6,7,8-Heptachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request 0488.10-K-IO 2-(Phenylthio)thiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16718-12-0 Price on request 677494 D6-Metalaxyl-M, 100 µg/ml, Acetonitrile, 1ml Price on request