Internal Standard Spiking Solution, 1.2ml, nonane Back Catalog number: EPA-1613ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 66118 PCB No. 118, 100µg/ml in Isooctane, 1ml Price on request 684121 n-Pentyl-iso-pentylphthalate, 50mg Price on request XA14102000CY Heptachlor-endo-epoxide (trans-, isomer A), 100 ng/µl, 1ml Price on request