1,2,4,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-1247-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended S-4190-ASS-5RF EPA O-FID Quantitative Calibration Check Standard (with Internal Standard) 5 Analytes, each Wt.% as listed in RFA Gasoline; units: 1x5mL, 5x5mL Name Wt.% Name Wt.% Methanol 3.80Methyl tert-buty Price on request 92237 Dichlorophenol Mix #4 Price on request 82470 SPCC Class IV- Method 8261 Price on request