EPA Method 525 - PCB Standard Back Catalog number: 19063 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1157.37-100-IO n-Heptatriacontane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7194-84-5 Price on request 3386.9-100-CY 2,4-D methyl ester Price on request 59111 Metals Mix Price on request