EPA 1620 Standard 1 Back Catalog number: 53139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51065 ASTM D-4815 Calibration Mix #2 Price on request 66086 2,2',3,4,5-Pentachlorobiphenyl Price on request 54116 Acetic Acid (C2H4O2), 1000µg/mL in Water, 100ml Price on request