PCB Congeners Standard Back Catalog number: 94239 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20695000CY Dibenz[a,c]anthracene, 10µg/mL in Cyclohexane, 10ml Price on request 8803.20-K-IO 9-cis-Eicosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 59297 Ferrous Iron Level 2 Price on request