Surrogate Standard Back Catalog number: 94031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0148.14-500-IO 4-Ethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 89816-99-9 Price on request 681353 Quinmerac-methyl, 100mg Price on request L20700000AL Dibenzo(a,h)anthracene, 10µg/ml in Acetonitrile, 10ml Price on request