(13C12)Aldrin, 1.2mL x 100ug/mL, nonane

n-Tridecane-d28, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 121578-12-9

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)

Nitrite (NO2-) as N, 100µg/ml in Water, 100ml