EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended YA06100300TO PAH-Mix 63, 1000 ng/µl, 1ml Price on request 1101.13-K-IO 1-Methyldibenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7320-50-5 Price on request 97659 Method 1666 Standard Price on request