Mass-Labelled PCB Sampling Standard, 1.2ml, nonane Back Catalog number: P48-SS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 30103 EPA Method 551.1 Internal Standard Price on request 70088 4-Chlorotoluene Price on request 11444.24-100-IO Tris(2,4-dimethylphenyl) phosphate-d27,100 µg/mL,isooctane,1mL, Price on request