US EPA Technical Support Document for the Hazardous Waste Identification Rule
United States Environmental Protection Agency Published 1995
National Service Center for Environmental Publications (NSCEP)
- Silver and Barium listed as constituents of ecological concern
- Risk Assessment for Human and Ecological Receptors (Vol. 1, Appendix B, Part 1 of 2, A-H)
Link to Document
- Current and historical weather modification schemes employ the use of silver iodide: 2016 LA Cloud Seeding
- Cloud seeding: The Technology of Fraud and Deceit