3',4'-Dichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene Back Catalog number: M4H12 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended EPA-1668IS Internal Standard Stock Solution, 1.2ml, nonane Price on request 71208 Vegadex Price on request S-4164-SET Aromatics Quantitative Calibration Standards (without Internal Standard) 2 Analytes, each Vol.% as listed in isooctane; unit: 7x25mL one of each Std. Analyte Analyte Std. 1 Std. 2 Std. 3 Std. 4 Std. 5 Std. 6 Std. 7 Price on request