EPA 1620 Standard 1 Back Catalog number: 52139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MOPCB-4009S 4-Methoxy-2',3,5,5'-tetrachlorobiphenyl, 100µg/ml in IO, 1ml Price on request 10004 CLP Semi-Volatiles Toxic Substances #1 Price on request 96751 VOC Standard Price on request