EPA Method 508 Surrogate Standard Back Catalog number: 19042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73278 Octyl phenol ethoxylate Price on request 9516.12-100-IO 2,3,3',4,5,6-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 41411-62-5 Price on request S-4591-100-10DC Custom methyl-PAHs and trimethylbenzene Mixture 100µg/mL each in dichoromethane1x10mL 0289.17 1-Methylfluoranthene 1274.9 1,2,3-Trimethylbenzene 0712.11 1-Methyl napthalene Price on request