Regulated Semi-Volatile Standard Back Catalog number: 93372 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2039.12-50-T Octachlorodibenzofuran, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 39001-02-0 Price on request 59429 Sulfate (SO42-) Price on request 11759.12-100-IO 2,2',3,3',4,6,6'-Heptachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request