Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions

Arochlor 1242 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 53469-21-9

2-Nitrophenol

DRO Mixture 1, UST Modified Diesel Range 10 Analytes, each 1000 µg/mL in hexane; unit: 1x1mL 1875.10 n-Decane [124-18-5] 1140.20 n-Eicosane [112-95-8] 1132.12 n-Dodecane [112-40-5] 1142.22 n-Docosane [629-97-0] 1134.14 n-Tetradecane