1.% Carbon (Wt. / Vol.) Standard

Bis(2-ethylhexyl) phthalate-3,4,5,6-d4, 1000µg/mLin isooctane, 1ml

1-Chloro-3-fluorobenzene

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)