EPA Method 8260B Surrogate Standard Back Catalog number: 23002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2025.6-1ML Pentachlorobenzene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 608-93-5 Price on request 678000 Isofenphos, 100 µg/ml, Toluene, 1ml Price on request 66171 2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Price on request