Mass-Labelled PCB Solution/Mixture , 1.2ml, nonane Back Catalog number: PCB-LCS-A100 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 93600 EPA Method 502.2/624Mix Price on request 53111 Disc. Use P#52130 (100mL) Price on request NK-LCS-O Mass-Labelled PCDD/PCDF Solution Mixture, 1.2ml, nonane Price on request