Etrimfos, 100 µg/ml, Toluene, 1ml

3-Chloro-1,2-propandiol-1-monogadolenate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

13C3-6:2 Fluorotelomer sulfonamide alkylbetaine (13C3-6:2 FTAB), 50µg/ml in MeOH, 1,2ml

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Light 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)