4,4'-DDT (ring-13C12,99%) 100 µg/mL in Nonane, 1,2ml Back Catalog number: CLM-1281-1.2 Availability: In the manufacturer's stock Price on request - + Recommended PCB-IS-C100 Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Price on request 82493 EPA Method 1666Labeled Standard Price on request 1793.18-10MG 7-Aminobenz[a]anthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2381-18-2 Price on request