2,2',3,3',4',5,6-Heptachlorobiphenyl (177) Back Catalog number: 63177 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53135 Multi-Element Solution 3 Price on request 92155 EPA Method 8020 Analytes - Volatile Aromatics Price on request P48-M-PAR Precision and Recovery Stock Solution: Marker PCBs, 1.2ml, nonane Price on request