MA - EPH Matrix Spike Rev 1.0/1.1 Back Catalog number: 91489 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98131 EPA Method 8141 Standard Rev 1 Price on request 1809.16-K-IO 1,8-Bis(hydroxymethyl)anthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 34824-20-9 Price on request 0712.11-10MG 1-Methylnaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 90-12-0 Price on request