Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Back Catalog number: PCB-IS-C20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 675392 1,1,2-Trichloroethane, 100 µg/ml, Methanol, 5ml Price on request 676434 Atrazine-desethyl-desisopropyl, 100µg/ml, Acetonitril, 1ml Price on request 680288 Tralomethrin, 100 µg/ml, Isooctane, 1ml Price on request