EPA Method 502.2/624Mix Back Catalog number: 93600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8545.24-K-T 1,3,5-Triphenylbenzene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 612-71-5 Price on request 1591.16-100-IO 5,6-Dihydro-4-hydroxy-11H-indolo[2,3-f]naphthalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 52074 Drinking Water Standards Kit Price on request