800 ppm TDS solution (box of 25x20mL sachet)

Herbicide Spiking Standard - TCLP Procedure

n-Butylcyclopentane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2040-95-1

Salts in Crude Oil (Ca, Mg, Na)