EPA Method 507/525 Analytes Mix #4 Back Catalog number: 30085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95152 Volatile Mix #2 Price on request 2666.12-100-IO 3'-Fluoro-3,4',5-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 81504 2,4,5-TP methyl ester Price on request