QC Standard 4

Oxygenated Quantitative Calibration Mixtures (with Internal Standard) 5 Analytes, each Wt.% as listed in isooctane/xylene (65:35); unit: 5x1mL one of each Std. Analyte Analyte Std. 1 Std. 2 Std. 3 Std. 4

NWTPH-HCID- Retention Time Mix

1,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane