"Dioxin-Like" PCBs Calibration Kit , 7 x 500ul, nonane Back Catalog number: WP-CVS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 677958 Demeton-S-methyl-sulfoxide, 100 µg/ml, Toluene, Price on request PCB-A10-CSL Extended Calibration/Low Level Solution, 200ul, nonane Price on request X9050 m-Cresol Price on request