Perchlorate (ClO4-) Back Catalog number: 57002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0293.19-200-T 2-Methylchrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3351-32-4 Price on request 40059 EPA Method 645 Analytes Price on request 0284.22-10MG 2-Phenylfluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4914-78-7 Price on request