Specifications include, but are not limited to: Moisture content shall not exceed 2.0% by weight for Mined Rock Salt
All sodium chloride uniformly treated with either of the following anti-caking compounds: Yellow Prussiate of Soda-Sodium Ferro Cyanide or Prussian Blue-Ferric Ferro Cyanide. The anti-caking compound introduced uniformly throughout the sodium chloride at such a rate that a minimum of 20-PPM anti-caking compound is present.
Any sodium chloride that is not free-flowing and in usable condition upon arrival at its destination is rejected
Total chloride expressed as NaCL a minimum of 95%