EPA Method 8330 Analyte Back Catalog number: 79069 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66138 2,2’,3,4,4’,5’-Hexachlorobiphenyl (138) Price on request 59631 Conductance @ 20°C [50,000 µmho/cm] Price on request 0704.13-500-IO 1,4,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-41-1 Price on request