Mass-Labelled PCB Solution, 1.2ml x 100ng/ml, nonane Back Catalog number: PCB-IS-A100 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 11921.9-K-ME (-)-Captopril,1000 µg/mL,MeOH,1mL, Price on request 1412.9-1G 2,3,5-Trimethylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 697-82-5 Price on request 23013 EPA Method 8260 - Purgeable Internal Standard Price on request