1. Nitrate poisoning, fire retardants, and fertilizers-Any connection?;Dodge;J Range Manage,1970
2. Norecol Environmental Consultants. 1989. Toxicological review of fire fighting foams. File 1-091-02.01. Vancouver, BC, Canada.
3. Ansul Fire Protection. 1991. Extinguishing agent data sheet, Silv-Ex “Class A” fire control concentrate. Marinette, WI, USA.