EPA Method 502/524 Surrogate Standard #2 Back Catalog number: 19267 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680469 3-Ethyltoluene, 200 µg/ml, Methanol, 1ml Price on request 71181 Dicyclopentadiene Price on request 8469.13-K-IO 2,2,3-Trimethyldecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request