Citizens concerned about Mayor’s actions, Quincy Valley Post Register 5/1/1997
40 CFR Part 268 Hazardous Waste Recycling; Land Disposal Restrictions; Final Rule
Estimating Risks from Contaminants Contained in Agricultural Fertilizers
Background Report on Fertilizer Use, Contaminants and Regulation
EPA Fact Sheet — Zinc Fertilizer Recycling
Requirements for Zinc Fertilizers Made From Recycled Hazardous Secondary Materials; Proposed Rule
Comments of Patricia Martin – Zinc Fertilizer Rule
Final Zinc Fertilizer Rule — July 24, 2002
Safe Food and Fertilizer v. EPA, D.C. Circuit Court of Appeals decision.