Labelled TCDD/TCDF Spiking Solution, 1.2ml, nonane Back Catalog number: EPA-513LCSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 677962 Fenitrothion, 100 µg/ml, Toluene, 1ml Price on request 51175 DRO n-Hydrocarbon Standard, 2000µg/ml in MeChl, 1ml Price on request 73578 2-Thiocyanomethylthiobenzothiazole Price on request