MA - EPH Matrix Spike Rev 1.0/1.1 Back Catalog number: 51044 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30022 EPA Method 515.1 Surrogate Standard Price on request 1212.17-200-IO 9-Methyl-7(H)-benzo[c]carbazole, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117043-89-7 Price on request 59743 ICP-MS Mix #4 Price on request